#64203D

Closest named color: Merlot (#730039). oklch(35.8% 0.103 357.2), rgb(100, 32, 61).

Aa

White text reads best on this color (11.56:1).

About this color

#64203D is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.103 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.044 away. White text reads best on it, at 11.56:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.103)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.81:1
White text11.56:1

Values

HEX#64203D
RGBrgb(100, 32, 61)
HSLhsl(334, 52%, 26%)
OKLCHoklch(35.8% 0.103 357.2)

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 #64203D 11.56:1 AAA Lc -99.7 Preferred for body text
Black text on #64203D 1.81:1 Fails Lc 8.0 Not readable
#64203D text on white 11.56:1 AAA Lc 95.9 Preferred for body text
#64203D text on black 1.81:1 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F7E4EA

    oklch(93.6% 0.022 356.3)

  3. Step 200

    200

    #F2CED9

    oklch(88.5% 0.043 357.7)

  4. Step 300

    300

    #EAACC1

    oklch(80.8% 0.077 356.9)

  5. Step 400

    400

    #DD7EA1

    oklch(70.6% 0.124 357.2)

  6. Step 500

    500

    #D15A8A

    oklch(63.1% 0.158 357.4)

  7. Step 600

    600

    #BC3C74

    oklch(55.6% 0.171 357.3)

  8. Step 700

    700

    #A22D62

    oklch(49.2% 0.159 357.1)

  9. Step 800

    800

    #832750

    oklch(42.7% 0.132 356.9)

  10. Step 900

    900 (this color)

    #64203D

    oklch(35.8% 0.103 357.2)

  11. Step 950

    950

    #3E1727

    oklch(27% 0.064 356.6)

Export this scale for Tailwind in the Tailwind colors tool

#64203D 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)#2C313E0.114
Deuteranopia (no green cones)#3E3E3B0.105
Tritanopia (no blue cones)#6C1A2C0.031
Achromatopsia (no color)#3939390.103

Harmonies

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

Complementary

The opposite hue (180°).

  • #64203D

    #64203D

    oklch(35.8% 0.103 357.2)

  • #00483C

    #00483C

    oklch(35.9% 0.067 176.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64203D

    #64203D

    oklch(35.8% 0.103 357.2)

  • #572558

    #572558

    oklch(35.7% 0.103 326.7)

  • #68211D

    #68211D

    oklch(35.7% 0.103 26.8)

Open the analogous palette in the generator

Split complementary

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

  • #64203D

    #64203D

    oklch(35.8% 0.103 357.2)

  • #044A18

    #044A18

    oklch(35.7% 0.103 147.1)

  • #00454D

    #00454D

    oklch(35.7% 0.061 207.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64203D

    #64203D

    oklch(35.8% 0.103 357.2)

  • #3A4200

    #3A4200

    oklch(35.9% 0.083 117.2)

  • #004260

    #004260

    oklch(35.9% 0.078 236.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64203D

    #64203D

    oklch(35.8% 0.103 357.2)

  • #4D3900

    #4D3900

    oklch(35.7% 0.073 86.5)

  • #00483C

    #00483C

    oklch(35.9% 0.067 176.8)

  • #253872

    #253872

    oklch(35.9% 0.103 267.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64203D, closest first.

Similar named colors

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

Use #64203D 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.