#66272A

Closest named color: Reddy Brown (#6E1005). oklch(36.5% 0.091 19.9), rgb(102, 39, 42).

Aa

White text reads best on this color (11.11:1).

About this color

#66272A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.091 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.046 away. White text reads best on it, at 11.11:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.88:1
White text11.11:1

Values

HEX#66272A
RGBrgb(102, 39, 42)
HSLhsl(357, 45%, 28%)
OKLCHoklch(36.5% 0.091 19.9)

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 #66272A 11.11:1 AAA Lc -99.0 Preferred for body text
Black text on #66272A 1.88:1 Fails Lc 8.8 Not readable
#66272A text on white 11.11:1 AAA Lc 95.2 Preferred for body text
#66272A text on black 1.88:1 Fails Lc -7.5 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

    #F7E5E4

    oklch(93.6% 0.02 21.4)

  3. Step 200

    200

    #F1D0CF

    oklch(88.5% 0.037 19.9)

  4. Step 300

    300

    #EAB0AE

    oklch(81% 0.068 20.9)

  5. Step 400

    400

    #DC8484

    oklch(70.7% 0.109 20.1)

  6. Step 500

    500

    #D06266

    oklch(63.1% 0.139 19.7)

  7. Step 600

    600

    #BB464D

    oklch(55.5% 0.151 20)

  8. Step 700

    700

    #A1363E

    oklch(49% 0.141 19.8)

  9. Step 800

    800

    #832E33

    oklch(42.7% 0.117 20.1)

  10. Step 900

    900 (this color)

    #66272A

    oklch(36.5% 0.091 19.9)

  11. Step 950

    950

    #3E191B

    oklch(26.9% 0.058 18.4)

Export this scale for Tailwind in the Tailwind colors tool

#66272A 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)#36332A0.098
Deuteranopia (no green cones)#4640290.089
Tritanopia (no blue cones)#701C280.026
Achromatopsia (no color)#3B3B3B0.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #66272A

    #66272A

    oklch(36.5% 0.091 19.9)

  • #00484B

    #00484B

    oklch(36.5% 0.062 199.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66272A

    #66272A

    oklch(36.5% 0.091 19.9)

  • #602745

    #602745

    oklch(36.4% 0.091 349.8)

  • #632D07

    #632D07

    oklch(36.5% 0.091 49.7)

Open the analogous palette in the generator

Split complementary

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

  • #66272A

    #66272A

    oklch(36.5% 0.091 19.9)

  • #004A38

    #004A38

    oklch(36.4% 0.072 169.7)

  • #00455D

    #00455D

    oklch(36.5% 0.073 229.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66272A

    #66272A

    oklch(36.5% 0.091 19.9)

  • #214A17

    #214A17

    oklch(36.7% 0.092 139.9)

  • #203D6E

    #203D6E

    oklch(36.5% 0.092 260.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66272A

    #66272A

    oklch(36.5% 0.091 19.9)

  • #414200

    #414200

    oklch(36.6% 0.08 110.7)

  • #00484B

    #00484B

    oklch(36.5% 0.062 199.6)

  • #3F346A

    #3F346A

    oklch(36.5% 0.091 290.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66272A, closest first.

Similar named colors

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

Use #66272A 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.