#6B171A

Closest named color: Reddy Brown (#6E1005). oklch(35.1% 0.117 23.9), rgb(107, 23, 26).

Aa

White text reads best on this color (11.91:1).

About this color

#6B171A is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.117 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.019 away. White text reads best on it, at 11.91:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.117)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.76:1
White text11.91:1

Values

HEX#6B171A
RGBrgb(107, 23, 26)
HSLhsl(358, 65%, 25%)
OKLCHoklch(35.1% 0.117 23.9)

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 #6B171A 11.91:1 AAA Lc -99.9 Preferred for body text
Black text on #6B171A 1.76:1 Fails Lc 7.7 Not readable
#6B171A text on white 11.91:1 AAA Lc 96.2 Preferred for body text
#6B171A text on black 1.76:1 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

    #F4ABA5

    oklch(80.9% 0.087 24.4)

  5. Step 400

    400

    #EB7A75

    oklch(70.7% 0.14 23.9)

  6. Step 500

    500

    #E15151

    oklch(63% 0.18 23.8)

  7. Step 600

    600

    #CD2D35

    oklch(55.6% 0.195 24.1)

  8. Step 700

    700

    #B11C28

    oklch(49.2% 0.182 23.9)

  9. Step 800

    800

    #8F1C22

    oklch(42.6% 0.15 24)

  10. Step 900

    900 (this color)

    #6B171A

    oklch(35.1% 0.117 23.9)

  11. Step 950

    950

    #441414

    oklch(27% 0.074 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#6B171A 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)#302B190.127
Deuteranopia (no green cones)#453E170.117
Tritanopia (no blue cones)#7600190.029
Achromatopsia (no color)#3737370.118

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B171A

    #6B171A

    oklch(35.1% 0.117 23.9)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B171A

    #6B171A

    oklch(35.1% 0.117 23.9)

  • #65173F

    #65173F

    oklch(35% 0.117 353.6)

  • #5D2B00

    #5D2B00

    oklch(35.1% 0.088 53.5)

Open the analogous palette in the generator

Split complementary

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

  • #6B171A

    #6B171A

    oklch(35.1% 0.117 23.9)

  • #004638

    #004638

    oklch(35.2% 0.067 173.7)

  • #00405B

    #00405B

    oklch(35% 0.074 234.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B171A

    #6B171A

    oklch(35.1% 0.117 23.9)

  • #004908

    #004908

    oklch(35.2% 0.115 143.8)

  • #1A3577

    #1A3577

    oklch(35% 0.118 264.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B171A

    #6B171A

    oklch(35.1% 0.117 23.9)

  • #3B3F00

    #3B3F00

    oklch(35.2% 0.079 113.8)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

  • #402A71

    #402A71

    oklch(35.2% 0.117 293.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B171A, closest first.

Similar named colors

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

Use #6B171A 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.