#661D2B

Closest named color: Claret (#680018). oklch(35.2% 0.104 13.1), rgb(102, 29, 43).

Aa

White text reads best on this color (11.82:1).

About this color

#661D2B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.104 and its hue 13°. 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 11.82:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.104)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.77:1
White text11.82:1

Values

HEX#661D2B
RGBrgb(102, 29, 43)
HSLhsl(348, 56%, 26%)
OKLCHoklch(35.2% 0.104 13.1)

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 #661D2B 11.82:1 AAA Lc -100.0 Preferred for body text
Black text on #661D2B 1.77:1 Fails Lc 7.6 Not readable
#661D2B text on white 11.82:1 AAA Lc 96.3 Preferred for body text
#661D2B text on black 1.77:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F9E4E5

    oklch(93.6% 0.023 14.3)

  3. Step 200

    200

    #F4CED1

    oklch(88.5% 0.043 12.6)

  4. Step 300

    300

    #EFACB2

    oklch(80.9% 0.079 13)

  5. Step 400

    400

    #E37E8A

    oklch(70.7% 0.125 13.2)

  6. Step 500

    500

    #D8596D

    oklch(63.1% 0.16 13.3)

  7. Step 600

    600

    #C33955

    oklch(55.6% 0.174 13.2)

  8. Step 700

    700

    #A82A46

    oklch(49.1% 0.162 12.9)

  9. Step 800

    800

    #882539

    oklch(42.6% 0.133 13.3)

  10. Step 900

    900 (this color)

    #661D2B

    oklch(35.2% 0.104 13.1)

  11. Step 950

    950

    #41161D

    oklch(27% 0.067 12.8)

Export this scale for Tailwind in the Tailwind colors tool

#661D2B 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)#2F2E2B0.115
Deuteranopia (no green cones)#423D290.106
Tritanopia (no blue cones)#700F230.026
Achromatopsia (no color)#3737370.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #661D2B

    #661D2B

    oklch(35.2% 0.104 13.1)

  • #004544

    #004544

    oklch(35.3% 0.06 193.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #661D2B

    #661D2B

    oklch(35.2% 0.104 13.1)

  • #5E2049

    #5E2049

    oklch(35.3% 0.104 343.2)

  • #652300

    #652300

    oklch(35.2% 0.104 43.1)

Open the analogous palette in the generator

Split complementary

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

  • #661D2B

    #661D2B

    oklch(35.2% 0.104 13.1)

  • #00472F

    #00472F

    oklch(35.2% 0.076 162.7)

  • #004254

    #004254

    oklch(35.2% 0.066 223.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #661D2B

    #661D2B

    oklch(35.2% 0.104 13.1)

  • #254500

    #254500

    oklch(35.2% 0.099 132.8)

  • #043B6F

    #043B6F

    oklch(35.2% 0.104 252.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #661D2B

    #661D2B

    oklch(35.2% 0.104 13.1)

  • #423C00

    #423C00

    oklch(35.1% 0.074 103.2)

  • #004544

    #004544

    oklch(35.3% 0.06 193.1)

  • #35306F

    #35306F

    oklch(35.1% 0.105 283.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #661D2B, closest first.

Similar named colors

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

Use #661D2B 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.