#662337

Closest named color: Merlot (#730039). oklch(36.3% 0.098 4.9), rgb(102, 35, 55).

Aa

White text reads best on this color (11.28:1).

About this color

#662337 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.098 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.048 away. White text reads best on it, at 11.28:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.098)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.86:1
White text11.28:1

Values

HEX#662337
RGBrgb(102, 35, 55)
HSLhsl(342, 49%, 27%)
OKLCHoklch(36.3% 0.098 4.9)

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 #662337 11.28:1 AAA Lc -99.3 Preferred for body text
Black text on #662337 1.86:1 Fails Lc 8.5 Not readable
#662337 text on white 11.28:1 AAA Lc 95.4 Preferred for body text
#662337 text on black 1.86:1 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F7E4E8

    oklch(93.5% 0.021 3.1)

  3. Step 200

    200

    #F2CFD5

    oklch(88.6% 0.04 6.3)

  4. Step 300

    300

    #EBADBA

    oklch(80.9% 0.074 5)

  5. Step 400

    400

    #DE8097

    oklch(70.8% 0.118 4.8)

  6. Step 500

    500

    #D15D7D

    oklch(63.1% 0.149 5.1)

  7. Step 600

    600

    #BD3F67

    oklch(55.7% 0.164 4.7)

  8. Step 700

    700

    #A23055

    oklch(49.1% 0.152 5)

  9. Step 800

    800

    #842946

    oklch(42.7% 0.126 4.7)

  10. Step 900

    900 (this color)

    #662337

    oklch(36.3% 0.098 4.9)

  11. Step 950

    950

    #3F1822

    oklch(27.1% 0.062 6)

Export this scale for Tailwind in the Tailwind colors tool

#662337 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)#3032370.110
Deuteranopia (no green cones)#423F350.099
Tritanopia (no blue cones)#6F1B2B0.026
Achromatopsia (no color)#3B3B3B0.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #662337

    #662337

    oklch(36.3% 0.098 4.9)

  • #004942

    #004942

    oklch(36.4% 0.065 184)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #662337

    #662337

    oklch(36.3% 0.098 4.9)

  • #5C2752

    #5C2752

    oklch(36.4% 0.097 335.1)

  • #682616

    #682616

    oklch(36.4% 0.099 34.9)

Open the analogous palette in the generator

Split complementary

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

  • #662337

    #662337

    oklch(36.3% 0.098 4.9)

  • #004B28

    #004B28

    oklch(36.3% 0.089 155.1)

  • #004653

    #004653

    oklch(36.3% 0.064 215.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #662337

    #662337

    oklch(36.3% 0.098 4.9)

  • #334600

    #334600

    oklch(36.4% 0.092 125.2)

  • #00416A

    #00416A

    oklch(36.3% 0.091 245)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #662337

    #662337

    oklch(36.3% 0.098 4.9)

  • #4A3D00

    #4A3D00

    oklch(36.3% 0.075 95.4)

  • #004942

    #004942

    oklch(36.4% 0.065 184)

  • #303771

    #303771

    oklch(36.3% 0.099 275.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #662337, closest first.

Similar named colors

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

Use #662337 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.