#6304B7

Closest named color: Chrysanthemum (#560BAD). oklch(42.6% 0.228 297.8), rgb(99, 4, 183).

Aa

White text reads best on this color (9.40:1).

About this color

#6304B7 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.228 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.030 away. White text reads best on it, at 9.40:1.

Hue familyPurples
Lightnessdark (43%)
Chromavivid (0.228)
Temperaturein between
Nearest nameChrysanthemum (#560BAD)
Black text2.23:1
White text9.40:1

Values

HEX#6304B7
RGBrgb(99, 4, 183)
HSLhsl(272, 96%, 37%)
OKLCHoklch(42.6% 0.228 297.8)

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 #6304B7 9.40:1 AAA Lc -94.1 Preferred for body text
Black text on #6304B7 2.23:1 Fails Lc 14.4 Not readable
#6304B7 text on white 9.40:1 AAA Lc 89.6 Fine for body text
#6304B7 text on black 2.23:1 Fails Lc -12.7 Not readable

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 800.

  1. Step 50

    50

    #F6F3FF

    oklch(97% 0.016 297.5)

  2. Step 100

    100

    #ECE5FF

    oklch(93.5% 0.036 298)

  3. Step 200

    200

    #DED1FF

    oklch(88.6% 0.064 298)

  4. Step 300

    300

    #C9B1FF

    oklch(80.9% 0.111 298)

  5. Step 400

    400

    #AF84FF

    oklch(70.7% 0.177 297.9)

  6. Step 500

    500

    #9D5DFF

    oklch(63.1% 0.229 297.6)

  7. Step 600

    600

    #8E1EFF

    oklch(55.6% 0.285 297.8)

  8. Step 700

    700

    #7900DF

    oklch(49.1% 0.266 297.6)

  9. Step 800

    800 (this color)

    #6304B7

    oklch(42.6% 0.228 297.8)

  10. Step 900

    900

    #501991

    oklch(37.7% 0.178 297.6)

  11. Step 950

    950

    #2F1255

    oklch(27% 0.113 298.1)

Export this scale for Tailwind in the Tailwind colors tool

#6304B7 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)#0047BB0.137
Deuteranopia (no green cones)#0044B40.136
Tritanopia (no blue cones)#4C466A0.169
Achromatopsia (no color)#4646460.230

Harmonies

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

Complementary

The opposite hue (180°).

  • #6304B7

    #6304B7

    oklch(42.6% 0.228 297.8)

  • #4A5500

    #4A5500

    oklch(42.5% 0.099 118)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6304B7

    #6304B7

    oklch(42.6% 0.228 297.8)

  • #2031C8

    #2031C8

    oklch(42.6% 0.227 267.9)

  • #820083

    #820083

    oklch(42.6% 0.196 328)

Open the analogous palette in the generator

Split complementary

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

  • #6304B7

    #6304B7

    oklch(42.6% 0.228 297.8)

  • #634B00

    #634B00

    oklch(42.6% 0.087 87.5)

  • #006022

    #006022

    oklch(42.6% 0.124 147.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6304B7

    #6304B7

    oklch(42.6% 0.228 297.8)

  • #773D00

    #773D00

    oklch(42.5% 0.103 57.2)

  • #005C4E

    #005C4E

    oklch(42.5% 0.078 177.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6304B7

    #6304B7

    oklch(42.6% 0.228 297.8)

  • #970008

    #970008

    oklch(42.5% 0.174 27.8)

  • #4A5500

    #4A5500

    oklch(42.5% 0.099 118)

  • #005963

    #005963

    oklch(42.4% 0.073 208)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6304B7, closest first.

Similar named colors

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

Use #6304B7 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.