#661B2E

Closest named color: Claret (#680018). oklch(35% 0.107 9.6), rgb(102, 27, 46).

Aa

White text reads best on this color (11.92:1).

About this color

#661B2E is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.038 away. White text reads best on it, at 11.92:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.76:1
White text11.92:1

Values

HEX#661B2E
RGBrgb(102, 27, 46)
HSLhsl(345, 58%, 25%)
OKLCHoklch(35% 0.107 9.6)

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 #661B2E 11.92:1 AAA Lc -100.1 Preferred for body text
Black text on #661B2E 1.76:1 Fails Lc 7.4 Not readable
#661B2E text on white 11.92:1 AAA Lc 96.4 Preferred for body text
#661B2E text on black 1.76:1 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

    #FDF3F4

    oklch(97.2% 0.011 10.3)

  2. Step 100

    100

    #F9E4E6

    oklch(93.6% 0.023 11)

  3. Step 200

    200

    #F5CED2

    oklch(88.6% 0.044 11)

  4. Step 300

    300

    #EFABB5

    oklch(80.8% 0.081 9.3)

  5. Step 400

    400

    #E47C8F

    oklch(70.7% 0.129 9.3)

  6. Step 500

    500

    #D95773

    oklch(63.2% 0.164 9.9)

  7. Step 600

    600

    #C4365C

    oklch(55.6% 0.179 9.5)

  8. Step 700

    700

    #A9274C

    oklch(49.2% 0.166 9.4)

  9. Step 800

    800

    #89233E

    oklch(42.7% 0.137 9.7)

  10. Step 900

    900 (this color)

    #661B2E

    oklch(35% 0.107 9.6)

  11. Step 950

    950

    #41161F

    oklch(27% 0.067 9.8)

Export this scale for Tailwind in the Tailwind colors tool

#661B2E 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)#2D2D2E0.119
Deuteranopia (no green cones)#403C2C0.109
Tritanopia (no blue cones)#700C230.027
Achromatopsia (no color)#3737370.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #661B2E

    #661B2E

    oklch(35% 0.107 9.6)

  • #004441

    #004441

    oklch(34.9% 0.06 189.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #661B2E

    #661B2E

    oklch(35% 0.107 9.6)

  • #5D1F4C

    #5D1F4C

    oklch(35.1% 0.107 340)

  • #662003

    #662003

    oklch(35% 0.107 39.6)

Open the analogous palette in the generator

Split complementary

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

  • #661B2E

    #661B2E

    oklch(35% 0.107 9.6)

  • #00472B

    #00472B

    oklch(35.1% 0.08 159.2)

  • #004251

    #004251

    oklch(35% 0.063 219.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #661B2E

    #661B2E

    oklch(35% 0.107 9.6)

  • #2A4300

    #2A4300

    oklch(34.9% 0.093 129.5)

  • #003C6B

    #003C6B

    oklch(35% 0.098 249.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #661B2E

    #661B2E

    oklch(35% 0.107 9.6)

  • #443B00

    #443B00

    oklch(35.1% 0.073 99.7)

  • #004441

    #004441

    oklch(34.9% 0.06 189.8)

  • #313170

    #313170

    oklch(35% 0.106 279.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #661B2E, closest first.

Similar named colors

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

Use #661B2E 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.