#662138

Closest named color: Merlot (#730039). oklch(36.1% 0.101 3.1), rgb(102, 33, 56).

Aa

White text reads best on this color (11.41:1).

About this color

#662138 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.101 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.045 away. White text reads best on it, at 11.41:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.101)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.83:1
White text11.41:1

Values

HEX#662138
RGBrgb(102, 33, 56)
HSLhsl(340, 51%, 26%)
OKLCHoklch(36.1% 0.101 3.1)

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 #662138 11.41:1 AAA Lc -99.4 Preferred for body text
Black text on #662138 1.83:1 Fails Lc 8.3 Not readable
#662138 text on white 11.41:1 AAA Lc 95.6 Preferred for body text
#662138 text on black 1.83:1 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

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F3CED6

    oklch(88.5% 0.043 3.4)

  4. Step 300

    300

    #EBADBC

    oklch(80.9% 0.075 2.9)

  5. Step 400

    400

    #DF7F99

    oklch(70.8% 0.121 3.3)

  6. Step 500

    500

    #D35B80

    oklch(63.2% 0.155 3.3)

  7. Step 600

    600

    #BE3C6A

    oklch(55.6% 0.169 2.8)

  8. Step 700

    700

    #A32D58

    oklch(49% 0.157 2.9)

  9. Step 800

    800

    #852748

    oklch(42.7% 0.131 3)

  10. Step 900

    900 (this color)

    #662138

    oklch(36.1% 0.101 3.1)

  11. Step 950

    950

    #3F1723

    oklch(27% 0.064 3.5)

Export this scale for Tailwind in the Tailwind colors tool

#662138 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)#2F31390.112
Deuteranopia (no green cones)#413F360.104
Tritanopia (no blue cones)#6F192A0.028
Achromatopsia (no color)#3A3A3A0.102

Harmonies

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

Complementary

The opposite hue (180°).

  • #662138

    #662138

    oklch(36.1% 0.101 3.1)

  • #004840

    #004840

    oklch(36% 0.064 182.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #662138

    #662138

    oklch(36.1% 0.101 3.1)

  • #5B2554

    #5B2554

    oklch(36% 0.102 332.7)

  • #682416

    #682416

    oklch(36.1% 0.101 33.4)

Open the analogous palette in the generator

Split complementary

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

  • #662138

    #662138

    oklch(36.1% 0.101 3.1)

  • #004B24

    #004B24

    oklch(36.2% 0.094 152.8)

  • #004651

    #004651

    oklch(36.2% 0.063 212.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #662138

    #662138

    oklch(36.1% 0.101 3.1)

  • #354400

    #354400

    oklch(36% 0.088 122.7)

  • #004167

    #004167

    oklch(36.1% 0.087 243.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #662138

    #662138

    oklch(36.1% 0.101 3.1)

  • #4B3C00

    #4B3C00

    oklch(36.2% 0.074 93)

  • #004840

    #004840

    oklch(36% 0.064 182.4)

  • #2D3772

    #2D3772

    oklch(36.2% 0.101 273.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #662138, closest first.

Similar named colors

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

Use #662138 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.