#649EF3

Closest named color: Cornflower Blue (#6495ED). oklch(69.7% 0.14 257.9), rgb(100, 158, 243).

Aa

Black text reads best on this color (7.72:1).

About this color

#649EF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.140 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.024 away. Black text reads best on it, at 7.72:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromamoderately saturated (0.140)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.72:1
White text2.71:1

Values

HEX#649EF3
RGBrgb(100, 158, 243)
HSLhsl(216, 86%, 67%)
OKLCHoklch(69.7% 0.14 257.9)

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 #649EF3 2.71:1 Fails Lc -57.7 Large or bold text, headings
Black text on #649EF3 7.72:1 AAA Lc 51.6 Large or bold text, headings
#649EF3 text on white 2.71:1 Fails Lc 52.4 Large or bold text, headings
#649EF3 text on black 7.72:1 AAA Lc -49.4 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F1F6FE

    oklch(97.2% 0.012 259.8)

  2. Step 100

    100

    #E0EBFB

    oklch(93.7% 0.025 257.6)

  3. Step 200

    200

    #C6DBFA

    oklch(88.6% 0.048 258)

  4. Step 300

    300

    #9EC3F9

    oklch(81% 0.087 257.7)

  5. Step 400

    400 (this color)

    #649EF3

    oklch(69.7% 0.14 257.9)

  6. Step 500

    500

    #3B87F3

    oklch(63.2% 0.179 257.8)

  7. Step 600

    600

    #126DE2

    oklch(55.5% 0.195 258)

  8. Step 700

    700

    #005BC4

    oklch(49.2% 0.18 257.7)

  9. Step 800

    800

    #094B9E

    oklch(42.7% 0.148 257.7)

  10. Step 900

    900

    #133F7E

    oklch(37.6% 0.117 258.2)

  11. Step 950

    950

    #0D264A

    oklch(27.1% 0.074 257.9)

Export this scale for Tailwind in the Tailwind colors tool

#649EF3 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)#7AA4F70.031
Deuteranopia (no green cones)#6797F10.018
Tritanopia (no blue cones)#00B1BD0.120
Achromatopsia (no color)#9D9D9D0.140

Harmonies

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

Complementary

The opposite hue (180°).

  • #649EF3

    #649EF3

    oklch(69.7% 0.14 257.9)

  • #CD9118

    #CD9118

    oklch(69.8% 0.14 77.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649EF3

    #649EF3

    oklch(69.7% 0.14 257.9)

  • #00ADDF

    #00ADDF

    oklch(69.8% 0.136 227.6)

  • #9A8EEF

    #9A8EEF

    oklch(69.8% 0.14 287.9)

Open the analogous palette in the generator

Split complementary

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

  • #649EF3

    #649EF3

    oklch(69.7% 0.14 257.9)

  • #E2804A

    #E2804A

    oklch(69.7% 0.139 48)

  • #A7A323

    #A7A323

    oklch(69.7% 0.14 107.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649EF3

    #649EF3

    oklch(69.7% 0.14 257.9)

  • #E7767C

    #E7767C

    oklch(69.7% 0.14 18.1)

  • #70B158

    #70B158

    oklch(69.6% 0.139 137.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649EF3

    #649EF3

    oklch(69.7% 0.14 257.9)

  • #DB77AD

    #DB77AD

    oklch(69.7% 0.139 347.7)

  • #CD9118

    #CD9118

    oklch(69.8% 0.14 77.9)

  • #0CB88C

    #0CB88C

    oklch(69.6% 0.14 167.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649EF3, closest first.

Similar named colors

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

Use #649EF3 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.