#649EF4

Closest named color: Cornflower Blue (#6495ED). oklch(69.7% 0.141 258.1), rgb(100, 158, 244).

Aa

Black text reads best on this color (7.73:1).

About this color

#649EF4 is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.141 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 7.73:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromavivid (0.141)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.73:1
White text2.71:1

Values

HEX#649EF4
RGBrgb(100, 158, 244)
HSLhsl(216, 87%, 67%)
OKLCHoklch(69.7% 0.141 258.1)

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 #649EF4 2.71:1 Fails Lc -57.6 Large or bold text, headings
Black text on #649EF4 7.73:1 AAA Lc 51.6 Large or bold text, headings
#649EF4 text on white 2.71:1 Fails Lc 52.4 Large or bold text, headings
#649EF4 text on black 7.73:1 AAA Lc -49.5 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

    #9DC3FA

    oklch(81% 0.088 257.6)

  5. Step 400

    400 (this color)

    #649EF4

    oklch(69.7% 0.141 258.1)

  6. Step 500

    500

    #3B86F4

    oklch(63% 0.181 258.3)

  7. Step 600

    600

    #126DE3

    oklch(55.6% 0.196 258.1)

  8. Step 700

    700

    #005AC5

    oklch(49.1% 0.183 258.1)

  9. Step 800

    800

    #094A9F

    oklch(42.6% 0.151 258.2)

  10. Step 900

    900

    #123F7E

    oklch(37.6% 0.117 258)

  11. Step 950

    950

    #0C264A

    oklch(27.1% 0.074 257.4)

Export this scale for Tailwind in the Tailwind colors tool

#649EF4 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)#7AA4F80.031
Deuteranopia (no green cones)#6797F20.018
Tritanopia (no blue cones)#00B1BE0.119
Achromatopsia (no color)#9D9D9D0.141

Harmonies

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

Complementary

The opposite hue (180°).

  • #649EF4

    #649EF4

    oklch(69.7% 0.141 258.1)

  • #CD9114

    #CD9114

    oklch(69.8% 0.141 78.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649EF4

    #649EF4

    oklch(69.7% 0.141 258.1)

  • #00ADE0

    #00ADE0

    oklch(69.8% 0.136 228.1)

  • #9A8EF0

    #9A8EF0

    oklch(69.8% 0.141 287.8)

Open the analogous palette in the generator

Split complementary

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

  • #649EF4

    #649EF4

    oklch(69.7% 0.141 258.1)

  • #E38049

    #E38049

    oklch(69.8% 0.141 48.1)

  • #A7A321

    #A7A321

    oklch(69.7% 0.141 107.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649EF4

    #649EF4

    oklch(69.7% 0.141 258.1)

  • #E8767C

    #E8767C

    oklch(69.8% 0.141 18.1)

  • #6FB258

    #6FB258

    oklch(69.8% 0.141 138.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649EF4

    #649EF4

    oklch(69.7% 0.141 258.1)

  • #DC76AD

    #DC76AD

    oklch(69.7% 0.142 347.9)

  • #CD9114

    #CD9114

    oklch(69.8% 0.141 78.2)

  • #00B98D

    #00B98D

    oklch(69.8% 0.141 168.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649EF4, closest first.

Similar named colors

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

Use #649EF4 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.