#6C1F1F

Closest named color: Reddy Brown (#6E1005). oklch(36.3% 0.109 24.4), rgb(108, 31, 31).

Aa

White text reads best on this color (11.33:1).

About this color

#6C1F1F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.028 away. White text reads best on it, at 11.33:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.85:1
White text11.33:1

Values

HEX#6C1F1F
RGBrgb(108, 31, 31)
HSLhsl(0, 55%, 27%)
OKLCHoklch(36.3% 0.109 24.4)

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 #6C1F1F 11.33:1 AAA Lc -99.1 Preferred for body text
Black text on #6C1F1F 1.85:1 Fails Lc 8.6 Not readable
#6C1F1F text on white 11.33:1 AAA Lc 95.3 Preferred for body text
#6C1F1F text on black 1.85:1 Fails Lc -7.4 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

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F6CECA

    oklch(88.4% 0.046 24.8)

  4. Step 300

    300

    #F1ACA6

    oklch(80.8% 0.082 24.6)

  5. Step 400

    400

    #E77D77

    oklch(70.6% 0.132 24.3)

  6. Step 500

    500

    #DD5754

    oklch(63.1% 0.169 24.5)

  7. Step 600

    600

    #C83639

    oklch(55.6% 0.183 24.4)

  8. Step 700

    700

    #AC272C

    oklch(49.1% 0.169 24.3)

  9. Step 800

    800

    #8C2325

    oklch(42.7% 0.14 24.5)

  10. Step 900

    900 (this color)

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  11. Step 950

    950

    #421615

    oklch(27% 0.069 24.1)

Export this scale for Tailwind in the Tailwind colors tool

#6C1F1F 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)#34301E0.118
Deuteranopia (no green cones)#47401D0.108
Tritanopia (no blue cones)#770A200.032
Achromatopsia (no color)#3A3A3A0.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C1F1F

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  • #00474D

    #00474D

    oklch(36.3% 0.062 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1F1F

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  • #671F41

    #671F41

    oklch(36.3% 0.109 354.8)

  • #612E00

    #612E00

    oklch(36.3% 0.091 54.4)

Open the analogous palette in the generator

Split complementary

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

  • #6C1F1F

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  • #00493B

    #00493B

    oklch(36.2% 0.069 174.4)

  • #004360

    #004360

    oklch(36.2% 0.077 235.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1F1F

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  • #084C11

    #084C11

    oklch(36.4% 0.11 144.4)

  • #203977

    #203977

    oklch(36.2% 0.111 264.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1F1F

    #6C1F1F

    oklch(36.3% 0.109 24.4)

  • #3D4200

    #3D4200

    oklch(36.2% 0.082 114.5)

  • #00474D

    #00474D

    oklch(36.3% 0.062 204.4)

  • #432E70

    #432E70

    oklch(36.2% 0.11 295)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1F1F, closest first.

Similar named colors

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

Use #6C1F1F 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.