#6C171C

Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.118 22.8), rgb(108, 23, 28).

Aa

White text reads best on this color (11.81:1).

About this color

#6C171C is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.118 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.021 away. White text reads best on it, at 11.81:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.77:1
White text11.81:1

Values

HEX#6C171C
RGBrgb(108, 23, 28)
HSLhsl(356, 65%, 26%)
OKLCHoklch(35.3% 0.118 22.8)

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 #6C171C 11.81:1 AAA Lc -99.7 Preferred for body text
Black text on #6C171C 1.77:1 Fails Lc 7.9 Not readable
#6C171C text on white 11.81:1 AAA Lc 96.0 Preferred for body text
#6C171C 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FBE4E2

    oklch(93.7% 0.025 23.6)

  3. Step 200

    200

    #F8CDCA

    oklch(88.4% 0.049 22.8)

  4. Step 300

    300

    #F5AAA6

    oklch(80.9% 0.089 22.6)

  5. Step 400

    400

    #EC7977

    oklch(70.7% 0.142 22.4)

  6. Step 500

    500

    #E25053

    oklch(63% 0.182 22.8)

  7. Step 600

    600

    #CD2B38

    oklch(55.5% 0.197 22.8)

  8. Step 700

    700

    #B11A2B

    oklch(49.1% 0.183 22.6)

  9. Step 800

    800

    #901B24

    oklch(42.8% 0.152 23)

  10. Step 900

    900 (this color)

    #6C171C

    oklch(35.3% 0.118 22.8)

  11. Step 950

    950

    #441414

    oklch(27% 0.074 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#6C171C 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)#302C1B0.129
Deuteranopia (no green cones)#453E190.118
Tritanopia (no blue cones)#77001A0.028
Achromatopsia (no color)#3737370.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C171C

    #6C171C

    oklch(35.3% 0.118 22.8)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C171C

    #6C171C

    oklch(35.3% 0.118 22.8)

  • #661841

    #661841

    oklch(35.4% 0.118 352.7)

  • #5E2B00

    #5E2B00

    oklch(35.3% 0.09 53)

Open the analogous palette in the generator

Split complementary

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

  • #6C171C

    #6C171C

    oklch(35.3% 0.118 22.8)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

  • #00415B

    #00415B

    oklch(35.3% 0.073 233)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C171C

    #6C171C

    oklch(35.3% 0.118 22.8)

  • #014903

    #014903

    oklch(35.2% 0.117 142.9)

  • #173678

    #173678

    oklch(35.2% 0.119 262.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C171C

    #6C171C

    oklch(35.3% 0.118 22.8)

  • #3C3F00

    #3C3F00

    oklch(35.3% 0.079 112.8)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

  • #3F2A72

    #3F2A72

    oklch(35.2% 0.119 292.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C171C, closest first.

Similar named colors

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

Use #6C171C 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.