#649FFE

Closest named color: Cornflower Blue (#6495ED). oklch(70.5% 0.153 259.5), rgb(100, 159, 254).

Aa

Black text reads best on this color (7.93:1).

About this color

#649FFE is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.153 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.033 away. Black text reads best on it, at 7.93:1.

Hue familyBlues
Lightnessmedium-light (71%)
Chromavivid (0.153)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.93:1
White text2.64:1

Values

HEX#649FFE
RGBrgb(100, 159, 254)
HSLhsl(217, 99%, 69%)
OKLCHoklch(70.5% 0.153 259.5)

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 #649FFE 2.64:1 Fails Lc -56.5 Large or bold text, headings
Black text on #649FFE 7.93:1 AAA Lc 52.7 Large or bold text, headings
#649FFE text on white 2.64:1 Fails Lc 51.3 Large or bold text, headings
#649FFE text on black 7.93:1 AAA Lc -50.6 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

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C5DBFD

    oklch(88.6% 0.053 259)

  4. Step 300

    300

    #9CC2FF

    oklch(80.9% 0.096 259.7)

  5. Step 400

    400 (this color)

    #649FFE

    oklch(70.5% 0.153 259.5)

  6. Step 500

    500

    #3884FD

    oklch(63.1% 0.195 259.5)

  7. Step 600

    600

    #0E6AEC

    oklch(55.7% 0.212 259.4)

  8. Step 700

    700

    #0057CC

    oklch(49% 0.195 259.5)

  9. Step 800

    800

    #0648A6

    oklch(42.7% 0.163 259.5)

  10. Step 900

    900

    #113E84

    oklch(37.8% 0.127 259.5)

  11. Step 950

    950

    #0C254D

    oklch(27.1% 0.08 259.5)

Export this scale for Tailwind in the Tailwind colors tool

#649FFE 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)#76A7FF0.030
Deuteranopia (no green cones)#6198FC0.019
Tritanopia (no blue cones)#00B4C20.129
Achromatopsia (no color)#9F9F9F0.153

Harmonies

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

Complementary

The opposite hue (180°).

  • #649FFE

    #649FFE

    oklch(70.5% 0.153 259.5)

  • #D09300

    #D09300

    oklch(70.5% 0.146 79)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649FFE

    #649FFE

    oklch(70.5% 0.153 259.5)

  • #00AFE5

    #00AFE5

    oklch(70.5% 0.139 229.3)

  • #9F8DF8

    #9F8DF8

    oklch(70.5% 0.153 289.6)

Open the analogous palette in the generator

Split complementary

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

  • #649FFE

    #649FFE

    oklch(70.5% 0.153 259.5)

  • #EA7F3E

    #EA7F3E

    oklch(70.5% 0.153 49.3)

  • #A7A702

    #A7A702

    oklch(70.5% 0.153 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649FFE

    #649FFE

    oklch(70.5% 0.153 259.5)

  • #F07479

    #F07479

    oklch(70.5% 0.153 19.3)

  • #69B655

    #69B655

    oklch(70.4% 0.153 139.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649FFE

    #649FFE

    oklch(70.5% 0.153 259.5)

  • #E474AE

    #E474AE

    oklch(70.4% 0.153 349.4)

  • #D09300

    #D09300

    oklch(70.5% 0.146 79)

  • #00BB92

    #00BB92

    oklch(70.4% 0.14 169.8)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #649FFE 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.