#649EFA

Closest named color: Cornflower Blue (#6495ED). oklch(70.1% 0.149 259.3), rgb(100, 158, 250).

Aa

Black text reads best on this color (7.81:1).

About this color

#649EFA is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.149 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 7.81:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromavivid (0.149)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.81:1
White text2.68:1

Values

HEX#649EFA
RGBrgb(100, 158, 250)
HSLhsl(217, 94%, 69%)
OKLCHoklch(70.1% 0.149 259.3)

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 #649EFA 2.68:1 Fails Lc -57.2 Large or bold text, headings
Black text on #649EFA 7.81:1 AAA Lc 52.1 Large or bold text, headings
#649EFA text on white 2.68:1 Fails Lc 52.0 Large or bold text, headings
#649EFA text on black 7.81:1 AAA Lc -49.9 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

    #DFEBFC

    oklch(93.6% 0.026 257)

  3. Step 200

    200

    #C5DBFC

    oklch(88.6% 0.051 258.4)

  4. Step 300

    300

    #9DC2FD

    oklch(80.9% 0.093 259.6)

  5. Step 400

    400 (this color)

    #649EFA

    oklch(70.1% 0.149 259.3)

  6. Step 500

    500

    #3A85FA

    oklch(63.2% 0.19 259.2)

  7. Step 600

    600

    #126BE9

    oklch(55.7% 0.206 259.2)

  8. Step 700

    700

    #0158CB

    oklch(49.2% 0.193 259.3)

  9. Step 800

    800

    #0849A4

    oklch(42.8% 0.159 259.2)

  10. Step 900

    900

    #123E82

    oklch(37.7% 0.124 259.3)

  11. Step 950

    950

    #0C254C

    oklch(27% 0.079 259.2)

Export this scale for Tailwind in the Tailwind colors tool

#649EFA 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)#77A5FE0.029
Deuteranopia (no green cones)#6297F80.019
Tritanopia (no blue cones)#00B3C00.127
Achromatopsia (no color)#9E9E9E0.149

Harmonies

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

Complementary

The opposite hue (180°).

  • #649EFA

    #649EFA

    oklch(70.1% 0.149 259.3)

  • #CE9200

    #CE9200

    oklch(70.1% 0.145 79.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649EFA

    #649EFA

    oklch(70.1% 0.149 259.3)

  • #00ADE3

    #00ADE3

    oklch(70% 0.139 229.6)

  • #9D8DF4

    #9D8DF4

    oklch(70.1% 0.148 289.1)

Open the analogous palette in the generator

Split complementary

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

  • #649EFA

    #649EFA

    oklch(70.1% 0.149 259.3)

  • #E77F41

    #E77F41

    oklch(70.1% 0.149 49.1)

  • #A6A511

    #A6A511

    oklch(70% 0.149 109.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649EFA

    #649EFA

    oklch(70.1% 0.149 259.3)

  • #ED7479

    #ED7479

    oklch(70.1% 0.15 19.1)

  • #6AB456

    #6AB456

    oklch(70% 0.149 139.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649EFA

    #649EFA

    oklch(70.1% 0.149 259.3)

  • #E174AD

    #E174AD

    oklch(70% 0.15 349)

  • #CE9200

    #CE9200

    oklch(70.1% 0.145 79.3)

  • #00BA90

    #00BA90

    oklch(70.1% 0.14 169.2)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #649EFA 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.