#6B1C1F

Closest named color: Reddy Brown (#6E1005). oklch(35.7% 0.112 22.8), rgb(107, 28, 31).

Aa

White text reads best on this color (11.59:1).

About this color

#6B1C1F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.112 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 11.59:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.112)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.81:1
White text11.59:1

Values

HEX#6B1C1F
RGBrgb(107, 28, 31)
HSLhsl(358, 59%, 26%)
OKLCHoklch(35.7% 0.112 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 #6B1C1F 11.59:1 AAA Lc -99.5 Preferred for body text
Black text on #6B1C1F 1.81:1 Fails Lc 8.2 Not readable
#6B1C1F text on white 11.59:1 AAA Lc 95.7 Preferred for body text
#6B1C1F text on black 1.81:1 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

    #F7CECB

    oklch(88.6% 0.047 23)

  4. Step 300

    300

    #F2ACA7

    oklch(80.9% 0.083 23.6)

  5. Step 400

    400

    #E87C79

    oklch(70.7% 0.134 22.7)

  6. Step 500

    500

    #DE5557

    oklch(63.1% 0.172 22.6)

  7. Step 600

    600

    #C9333C

    oklch(55.5% 0.186 22.8)

  8. Step 700

    700

    #AD242E

    oklch(49.1% 0.172 23)

  9. Step 800

    800

    #8D2127

    oklch(42.8% 0.143 23)

  10. Step 900

    900 (this color)

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  11. Step 950

    950

    #431515

    oklch(27% 0.072 23.2)

Export this scale for Tailwind in the Tailwind colors tool

#6B1C1F 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)#322E1E0.121
Deuteranopia (no green cones)#463F1D0.111
Tritanopia (no blue cones)#76041E0.031
Achromatopsia (no color)#3939390.112

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B1C1F

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  • #00454A

    #00454A

    oklch(35.6% 0.061 203)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B1C1F

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  • #651C41

    #651C41

    oklch(35.6% 0.111 353.1)

  • #602C00

    #602C00

    oklch(35.8% 0.091 52.9)

Open the analogous palette in the generator

Split complementary

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

  • #6B1C1F

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  • #004839

    #004839

    oklch(35.8% 0.069 172.9)

  • #00425C

    #00425C

    oklch(35.6% 0.073 232.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B1C1F

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  • #0A4A0A

    #0A4A0A

    oklch(35.7% 0.112 142.8)

  • #1B3876

    #1B3876

    oklch(35.7% 0.112 263.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B1C1F

    #6B1C1F

    oklch(35.7% 0.112 22.8)

  • #3D4000

    #3D4000

    oklch(35.7% 0.079 112.7)

  • #00454A

    #00454A

    oklch(35.6% 0.061 203)

  • #402D70

    #402D70

    oklch(35.7% 0.111 293)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B1C1F, closest first.

Similar named colors

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

Use #6B1C1F 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.