#63073C

Closest named color: Merlot (#730039). oklch(33.2% 0.13 352.7), rgb(99, 7, 60).

Aa

White text reads best on this color (12.91:1).

About this color

#63073C is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.130 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.036 away. White text reads best on it, at 12.91:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.62:1
White text12.91:1

Values

HEX#63073C
RGBrgb(99, 7, 60)
HSLhsl(325, 87%, 21%)
OKLCHoklch(33.2% 0.13 352.7)

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 #63073C 12.91:1 AAA Lc -101.1 Preferred for body text
Black text on #63073C 1.62:1 Fails Lc 0.0 Not readable
#63073C text on white 12.91:1 AAA Lc 97.6 Preferred for body text
#63073C text on black 1.62:1 Fails Lc 0.0 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 900.

  1. Step 50

    50

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FAE3EB

    oklch(93.7% 0.027 354.5)

  3. Step 200

    200

    #F7CBDC

    oklch(88.5% 0.054 353.1)

  4. Step 300

    300

    #F2A7C6

    oklch(80.9% 0.096 353)

  5. Step 400

    400

    #E873A9

    oklch(70.6% 0.156 352.8)

  6. Step 500

    500

    #DE4794

    oklch(63.2% 0.2 353)

  7. Step 600

    600

    #C91A7F

    oklch(55.7% 0.217 352.7)

  8. Step 700

    700

    #AD036B

    oklch(49.1% 0.202 352.7)

  9. Step 800

    800

    #8C0E57

    oklch(42.6% 0.167 352.6)

  10. Step 900

    900 (this color)

    #63073C

    oklch(33.2% 0.13 352.7)

  11. Step 950

    950

    #43112A

    oklch(27.1% 0.082 353.1)

Export this scale for Tailwind in the Tailwind colors tool

#63073C 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)#1D273D0.147
Deuteranopia (no green cones)#36373A0.129
Tritanopia (no blue cones)#6B00220.047
Achromatopsia (no color)#3232320.131

Harmonies

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

Complementary

The opposite hue (180°).

  • #63073C

    #63073C

    oklch(33.2% 0.13 352.7)

  • #004033

    #004033

    oklch(33.1% 0.063 173.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63073C

    #63073C

    oklch(33.2% 0.13 352.7)

  • #53145C

    #53145C

    oklch(33.2% 0.131 322.4)

  • #690413

    #690413

    oklch(33.2% 0.13 22.5)

Open the analogous palette in the generator

Split complementary

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

  • #63073C

    #63073C

    oklch(33.2% 0.13 352.7)

  • #004301

    #004301

    oklch(33.2% 0.112 142.7)

  • #003E43

    #003E43

    oklch(33.2% 0.057 203.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63073C

    #63073C

    oklch(33.2% 0.13 352.7)

  • #373900

    #373900

    oklch(33.1% 0.073 112)

  • #003B53

    #003B53

    oklch(33.1% 0.068 233)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63073C

    #63073C

    oklch(33.2% 0.13 352.7)

  • #473200

    #473200

    oklch(33.3% 0.068 82.8)

  • #004033

    #004033

    oklch(33.1% 0.063 173.7)

  • #0D2F77

    #0D2F77

    oklch(33.2% 0.13 262.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63073C, closest first.

Similar named colors

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

Use #63073C 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.