#6C2318

Closest named color: Reddy Brown (#6E1005). oklch(36.7% 0.106 31.2), rgb(108, 35, 24).

Aa

White text reads best on this color (11.10:1).

About this color

#6C2318 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 11.10:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.89:1
White text11.10:1

Values

HEX#6C2318
RGBrgb(108, 35, 24)
HSLhsl(8, 64%, 26%)
OKLCHoklch(36.7% 0.106 31.2)

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 #6C2318 11.10:1 AAA Lc -98.8 Preferred for body text
Black text on #6C2318 1.89:1 Fails Lc 9.0 Not readable
#6C2318 text on white 11.10:1 AAA Lc 94.9 Preferred for body text
#6C2318 text on black 1.89:1 Fails Lc -7.7 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #F9E5E1

    oklch(93.7% 0.023 31.1)

  3. Step 200

    200

    #F5CFC7

    oklch(88.5% 0.044 31.9)

  4. Step 300

    300

    #F0AEA1

    oklch(80.9% 0.08 31.4)

  5. Step 400

    400

    #E5806E

    oklch(70.7% 0.128 31.2)

  6. Step 500

    500

    #DA5C47

    oklch(63.1% 0.163 31.5)

  7. Step 600

    600

    #C63C29

    oklch(55.7% 0.178 31)

  8. Step 700

    700

    #AA2D1B

    oklch(49.1% 0.164 31.3)

  9. Step 800

    800

    #8A2719

    oklch(42.6% 0.136 31.1)

  10. Step 900

    900 (this color)

    #6C2318

    oklch(36.7% 0.106 31.2)

  11. Step 950

    950

    #421711

    oklch(27% 0.068 30.2)

Export this scale for Tailwind in the Tailwind colors tool

#6C2318 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)#3731160.111
Deuteranopia (no green cones)#4942160.103
Tritanopia (no blue cones)#7710210.038
Achromatopsia (no color)#3C3C3C0.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C2318

    #6C2318

    oklch(36.7% 0.106 31.2)

  • #004852

    #004852

    oklch(36.8% 0.064 210.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C2318

    #6C2318

    oklch(36.7% 0.106 31.2)

  • #69213B

    #69213B

    oklch(36.7% 0.106 1.5)

  • #5E3200

    #5E3200

    oklch(36.6% 0.085 60.8)

Open the analogous palette in the generator

Split complementary

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

  • #6C2318

    #6C2318

    oklch(36.7% 0.106 31.2)

  • #004A41

    #004A41

    oklch(36.7% 0.066 181.3)

  • #004367

    #004367

    oklch(36.6% 0.085 241)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C2318

    #6C2318

    oklch(36.7% 0.106 31.2)

  • #004D22

    #004D22

    oklch(36.8% 0.099 151.2)

  • #2B3876

    #2B3876

    oklch(36.5% 0.107 271.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C2318

    #6C2318

    oklch(36.7% 0.106 31.2)

  • #384500

    #384500

    oklch(36.6% 0.088 121)

  • #004852

    #004852

    oklch(36.8% 0.064 210.5)

  • #492E6D

    #492E6D

    oklch(36.6% 0.106 301.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C2318, closest first.

Similar named colors

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

Use #6C2318 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.