#6D1C1C

Closest named color: Reddy Brown (#6E1005). oklch(36% 0.114 25), rgb(109, 28, 28).

Aa

White text reads best on this color (11.45:1).

About this color

#6D1C1C is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.114 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.45:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.83:1
White text11.45:1

Values

HEX#6D1C1C
RGBrgb(109, 28, 28)
HSLhsl(0, 59%, 27%)
OKLCHoklch(36% 0.114 25)

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 #6D1C1C 11.45:1 AAA Lc -99.2 Preferred for body text
Black text on #6D1C1C 1.83:1 Fails Lc 8.5 Not readable
#6D1C1C text on white 11.45:1 AAA Lc 95.4 Preferred for body text
#6D1C1C text on black 1.83:1 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

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CEC9

    oklch(88.5% 0.047 26.2)

  4. Step 300

    300

    #F3ABA5

    oklch(80.8% 0.086 24.5)

  5. Step 400

    400

    #EA7C74

    oklch(70.8% 0.137 25.4)

  6. Step 500

    500

    #E05450

    oklch(63.2% 0.176 25.1)

  7. Step 600

    600

    #CB3134

    oklch(55.6% 0.19 25.1)

  8. Step 700

    700

    #AF2127

    oklch(49.1% 0.177 25)

  9. Step 800

    800

    #8E1F22

    oklch(42.7% 0.146 24.8)

  10. Step 900

    900 (this color)

    #6D1C1C

    oklch(36% 0.114 25)

  11. Step 950

    950

    #431513

    oklch(26.9% 0.072 25.6)

Export this scale for Tailwind in the Tailwind colors tool

#6D1C1C 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)#332E1B0.123
Deuteranopia (no green cones)#4740190.114
Tritanopia (no blue cones)#78021D0.033
Achromatopsia (no color)#3A3A3A0.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #6D1C1C

    #6D1C1C

    oklch(36% 0.114 25)

  • #00464C

    #00464C

    oklch(36% 0.061 204.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6D1C1C

    #6D1C1C

    oklch(36% 0.114 25)

  • #681C40

    #681C40

    oklch(36.1% 0.114 355.3)

  • #602E00

    #602E00

    oklch(36.1% 0.089 55)

Open the analogous palette in the generator

Split complementary

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

  • #6D1C1C

    #6D1C1C

    oklch(36% 0.114 25)

  • #00493B

    #00493B

    oklch(36.2% 0.069 174.4)

  • #00435F

    #00435F

    oklch(36.1% 0.076 234.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6D1C1C

    #6D1C1C

    oklch(36% 0.114 25)

  • #004B0F

    #004B0F

    oklch(35.9% 0.113 145)

  • #1F3878

    #1F3878

    oklch(36% 0.114 265.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6D1C1C

    #6D1C1C

    oklch(36% 0.114 25)

  • #3C4200

    #3C4200

    oklch(36.1% 0.082 115.4)

  • #00464C

    #00464C

    oklch(36% 0.061 204.6)

  • #432D72

    #432D72

    oklch(36.1% 0.114 294.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D1C1C, closest first.

Similar named colors

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

Use #6D1C1C 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.