#642139

Closest named color: Merlot (#730039). oklch(35.8% 0.099 1.3), rgb(100, 33, 57).

Aa

White text reads best on this color (11.54:1).

About this color

#642139 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.099 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.046 away. White text reads best on it, at 11.54:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.099)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.81:1
White text11.54:1

Values

HEX#642139
RGBrgb(100, 33, 57)
HSLhsl(339, 50%, 26%)
OKLCHoklch(35.8% 0.099 1.3)

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 #642139 11.54:1 AAA Lc -99.7 Preferred for body text
Black text on #642139 1.81:1 Fails Lc 8.0 Not readable
#642139 text on white 11.54:1 AAA Lc 95.9 Preferred for body text
#642139 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

    #F7E4E9

    oklch(93.5% 0.022 359.7)

  3. Step 200

    200

    #F2CED7

    oklch(88.4% 0.042 1.2)

  4. Step 300

    300

    #EAADBD

    oklch(80.9% 0.074 1.6)

  5. Step 400

    400

    #DD7F9C

    oklch(70.6% 0.12 0.8)

  6. Step 500

    500

    #D15C83

    oklch(63.1% 0.152 1.5)

  7. Step 600

    600

    #BC3E6D

    oklch(55.6% 0.166 1.2)

  8. Step 700

    700

    #A22F5B

    oklch(49.1% 0.154 1.3)

  9. Step 800

    800

    #83294A

    oklch(42.7% 0.127 1.6)

  10. Step 900

    900 (this color)

    #642139

    oklch(35.8% 0.099 1.3)

  11. Step 950

    950

    #3E1724

    oklch(26.9% 0.063 1.3)

Export this scale for Tailwind in the Tailwind colors tool

#642139 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)#2E313A0.110
Deuteranopia (no green cones)#403E370.101
Tritanopia (no blue cones)#6D1A2A0.029
Achromatopsia (no color)#3939390.100

Harmonies

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

Complementary

The opposite hue (180°).

  • #642139

    #642139

    oklch(35.8% 0.099 1.3)

  • #00473F

    #00473F

    oklch(35.7% 0.064 182.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #642139

    #642139

    oklch(35.8% 0.099 1.3)

  • #592554

    #592554

    oklch(35.7% 0.101 331.2)

  • #672319

    #672319

    oklch(35.8% 0.1 30.9)

Open the analogous palette in the generator

Split complementary

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

  • #642139

    #642139

    oklch(35.8% 0.099 1.3)

  • #004A21

    #004A21

    oklch(35.8% 0.095 151.5)

  • #00454F

    #00454F

    oklch(35.8% 0.062 211)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #642139

    #642139

    oklch(35.8% 0.099 1.3)

  • #364300

    #364300

    oklch(35.8% 0.086 121.3)

  • #004164

    #004164

    oklch(35.9% 0.084 241)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #642139

    #642139

    oklch(35.8% 0.099 1.3)

  • #4B3A00

    #4B3A00

    oklch(35.7% 0.073 90.2)

  • #00473F

    #00473F

    oklch(35.7% 0.064 182.3)

  • #2A3770

    #2A3770

    oklch(35.8% 0.099 271)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642139, closest first.

Similar named colors

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

Use #642139 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.