#661C27

Closest named color: Claret (#680018). oklch(34.9% 0.105 16), rgb(102, 28, 39).

Aa

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

About this color

#661C27 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.105 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.034 away. White text reads best on it, at 11.92:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.76:1
White text11.92:1

Values

HEX#661C27
RGBrgb(102, 28, 39)
HSLhsl(351, 57%, 25%)
OKLCHoklch(34.9% 0.105 16)

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 #661C27 11.92:1 AAA Lc -100.2 Preferred for body text
Black text on #661C27 1.76:1 Fails Lc 7.4 Not readable
#661C27 text on white 11.92:1 AAA Lc 96.5 Preferred for body text
#661C27 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E5

    oklch(93.6% 0.023 14.3)

  3. Step 200

    200

    #F5CECF

    oklch(88.5% 0.044 16.3)

  4. Step 300

    300

    #EFACAF

    oklch(80.8% 0.079 16)

  5. Step 400

    400

    #E47E86

    oklch(70.7% 0.126 15.8)

  6. Step 500

    500

    #D95867

    oklch(63% 0.162 16)

  7. Step 600

    600

    #C4384F

    oklch(55.5% 0.176 15.8)

  8. Step 700

    700

    #A92940

    oklch(49.1% 0.163 15.9)

  9. Step 800

    800

    #892435

    oklch(42.6% 0.135 15.6)

  10. Step 900

    900 (this color)

    #661C27

    oklch(34.9% 0.105 16)

  11. Step 950

    950

    #41161B

    oklch(26.9% 0.067 15.7)

Export this scale for Tailwind in the Tailwind colors tool

#661C27 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)#2F2D270.116
Deuteranopia (no green cones)#423D250.107
Tritanopia (no blue cones)#700B200.027
Achromatopsia (no color)#3737370.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #661C27

    #661C27

    oklch(34.9% 0.105 16)

  • #004444

    #004444

    oklch(35% 0.06 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #661C27

    #661C27

    oklch(34.9% 0.105 16)

  • #5F1E46

    #5F1E46

    oklch(35% 0.106 346)

  • #622500

    #622500

    oklch(34.9% 0.099 45.6)

Open the analogous palette in the generator

Split complementary

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

  • #661C27

    #661C27

    oklch(34.9% 0.105 16)

  • #004631

    #004631

    oklch(34.9% 0.073 165.5)

  • #004155

    #004155

    oklch(35% 0.067 226.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #661C27

    #661C27

    oklch(34.9% 0.105 16)

  • #1E4600

    #1E4600

    oklch(35.1% 0.104 136)

  • #0C3970

    #0C3970

    oklch(34.9% 0.106 256.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #661C27

    #661C27

    oklch(34.9% 0.105 16)

  • #403C00

    #403C00

    oklch(34.9% 0.074 105.4)

  • #004444

    #004444

    oklch(35% 0.06 194.8)

  • #372F6E

    #372F6E

    oklch(35% 0.105 285.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #661C27, closest first.

Similar named colors

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

Use #661C27 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.