#6380FD

Closest named color: Cornflower (#6A79F7). oklch(64.2% 0.188 270.5), rgb(99, 128, 253).

Aa

Black text reads best on this color (6.03:1).

About this color

#6380FD is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.188 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.019 away. Black text reads best on it, at 6.03:1.

Hue familyBlues
Lightnessmedium-light (64%)
Chromavivid (0.188)
Temperaturecool
Nearest nameCornflower (#6A79F7)
Black text6.03:1
White text3.47:1

Values

HEX#6380FD
RGBrgb(99, 128, 253)
HSLhsl(229, 97%, 69%)
OKLCHoklch(64.2% 0.188 270.5)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #6380FD 3.47:1 AA large text Lc -67.5 Content text, not long reading
Black text on #6380FD 6.03:1 AA Lc 42.0 Non-text elements, placeholder text
#6380FD text on white 3.47:1 AA large text Lc 62.0 Content text, not long reading
#6380FD text on black 6.03:1 AA Lc -39.7 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F2F5FE

    oklch(97% 0.012 271.3)

  2. Step 100

    100

    #E3E9FC

    oklch(93.5% 0.027 271.9)

  3. Step 200

    200

    #CCD8FC

    oklch(88.5% 0.051 270.8)

  4. Step 300

    300

    #AABEFD

    oklch(80.9% 0.092 270.6)

  5. Step 400

    400

    #7E9AFC

    oklch(70.8% 0.147 270.3)

  6. Step 500

    500 (this color)

    #6380FD

    oklch(64.2% 0.188 270.5)

  7. Step 600

    600

    #4962E8

    oklch(55.6% 0.204 270.3)

  8. Step 700

    700

    #3B50CA

    oklch(49.1% 0.19 270.3)

  9. Step 800

    800

    #3142A3

    oklch(42.6% 0.157 270.7)

  10. Step 900

    900

    #2A3982

    oklch(37.6% 0.124 270.6)

  11. Step 950

    950

    #19224C

    oklch(27% 0.078 271.2)

Export this scale for Tailwind in the Tailwind colors tool

#6380FD with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3C91FF0.050
Deuteranopia (no green cones)#1583FA0.056
Tritanopia (no blue cones)#009DB30.161
Achromatopsia (no color)#8989890.188

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #6380FD

    #6380FD

    oklch(64.2% 0.188 270.5)

  • #AB8800

    #AB8800

    oklch(64.1% 0.131 90.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6380FD

    #6380FD

    oklch(64.2% 0.188 270.5)

  • #0096DD

    #0096DD

    oklch(64.2% 0.148 240.4)

  • #A16BEB

    #A16BEB

    oklch(64.2% 0.188 300.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #6380FD

    #6380FD

    oklch(64.2% 0.188 270.5)

  • #CC7300

    #CC7300

    oklch(64.1% 0.149 60.7)

  • #809900

    #809900

    oklch(64.1% 0.153 120.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6380FD

    #6380FD

    oklch(64.2% 0.188 270.5)

  • #E85340

    #E85340

    oklch(64.1% 0.188 30.2)

  • #00A94F

    #00A94F

    oklch(64.2% 0.175 150.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6380FD

    #6380FD

    oklch(64.2% 0.188 270.5)

  • #E24F87

    #E24F87

    oklch(64.2% 0.188 0.4)

  • #AB8800

    #AB8800

    oklch(64.1% 0.131 90.4)

  • #00A390

    #00A390

    oklch(64.1% 0.116 180.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6380FD, closest first.

No curated palette has a color within ΔE 0.04 of #6380FD.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #6380FD in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.