#661B22

Closest named color: Claret (#680018). oklch(34.7% 0.107 19.6), rgb(102, 27, 34).

Aa

White text reads best on this color (12.03:1).

About this color

#661B22 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.031 away. White text reads best on it, at 12.03:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.74:1
White text12.03:1

Values

HEX#661B22
RGBrgb(102, 27, 34)
HSLhsl(354, 58%, 25%)
OKLCHoklch(34.7% 0.107 19.6)

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 #661B22 12.03:1 AAA Lc -100.3 Preferred for body text
Black text on #661B22 1.74:1 Fails Lc 0.0 Not readable
#661B22 text on white 12.03:1 AAA Lc 96.6 Preferred for body text
#661B22 text on black 1.74:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F5CECD

    oklch(88.4% 0.044 19.8)

  4. Step 300

    300

    #F0ACAC

    oklch(80.9% 0.08 19)

  5. Step 400

    400

    #E57E80

    oklch(70.7% 0.127 19.6)

  6. Step 500

    500

    #DA5860

    oklch(63% 0.163 19.4)

  7. Step 600

    600

    #C63847

    oklch(55.7% 0.178 19.5)

  8. Step 700

    700

    #AA2838

    oklch(49% 0.165 19.5)

  9. Step 800

    800

    #8A242F

    oklch(42.6% 0.136 19.4)

  10. Step 900

    900 (this color)

    #661B22

    oklch(34.7% 0.107 19.6)

  11. Step 950

    950

    #421619

    oklch(27.1% 0.068 18.8)

Export this scale for Tailwind in the Tailwind colors tool

#661B22 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)#2F2C220.116
Deuteranopia (no green cones)#423C200.107
Tritanopia (no blue cones)#70071E0.028
Achromatopsia (no color)#3636360.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #661B22

    #661B22

    oklch(34.7% 0.107 19.6)

  • #004346

    #004346

    oklch(34.8% 0.059 199.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #661B22

    #661B22

    oklch(34.7% 0.107 19.6)

  • #601C42

    #601C42

    oklch(34.8% 0.107 349.6)

  • #5E2800

    #5E2800

    oklch(34.7% 0.092 50)

Open the analogous palette in the generator

Split complementary

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

  • #661B22

    #661B22

    oklch(34.7% 0.107 19.6)

  • #004534

    #004534

    oklch(34.7% 0.069 169.7)

  • #004056

    #004056

    oklch(34.7% 0.068 229)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #661B22

    #661B22

    oklch(34.7% 0.107 19.6)

  • #154604

    #154604

    oklch(34.7% 0.106 139.5)

  • #143770

    #143770

    oklch(34.7% 0.107 259.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #661B22

    #661B22

    oklch(34.7% 0.107 19.6)

  • #3D3D00

    #3D3D00

    oklch(34.8% 0.076 109.8)

  • #004346

    #004346

    oklch(34.8% 0.059 199.9)

  • #3A2C6C

    #3A2C6C

    oklch(34.6% 0.107 289.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #661B22, closest first.

Similar named colors

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

Use #661B22 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.