#6C151F

Closest named color: Reddy Brown (#6E1005). oklch(35.2% 0.12 20.1), rgb(108, 21, 31).

Aa

White text reads best on this color (11.90:1).

About this color

#6C151F is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.120 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.025 away. White text reads best on it, at 11.90:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.120)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.76:1
White text11.90:1

Values

HEX#6C151F
RGBrgb(108, 21, 31)
HSLhsl(353, 67%, 25%)
OKLCHoklch(35.2% 0.12 20.1)

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 #6C151F 11.90:1 AAA Lc -99.8 Preferred for body text
Black text on #6C151F 1.76:1 Fails Lc 7.8 Not readable
#6C151F text on white 11.90:1 AAA Lc 96.1 Preferred for body text
#6C151F 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F9CDCB

    oklch(88.6% 0.05 21.2)

  4. Step 300

    300

    #F5AAA8

    oklch(80.9% 0.089 20.9)

  5. Step 400

    400

    #ED787B

    oklch(70.8% 0.144 19.8)

  6. Step 500

    500

    #E34E59

    oklch(63.1% 0.184 20)

  7. Step 600

    600

    #CE283F

    oklch(55.6% 0.199 20.1)

  8. Step 700

    700

    #B21631

    oklch(49.1% 0.186 20.1)

  9. Step 800

    800

    #901829

    oklch(42.6% 0.153 20.1)

  10. Step 900

    900 (this color)

    #6C151F

    oklch(35.2% 0.12 20.1)

  11. Step 950

    950

    #441316

    oklch(26.9% 0.075 20.3)

Export this scale for Tailwind in the Tailwind colors tool

#6C151F 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)#2F2B1F0.131
Deuteranopia (no green cones)#443E1C0.122
Tritanopia (no blue cones)#77001A0.026
Achromatopsia (no color)#3737370.121

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C151F

    #6C151F

    oklch(35.2% 0.12 20.1)

  • #004447

    #004447

    oklch(35.1% 0.06 199.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C151F

    #6C151F

    oklch(35.2% 0.12 20.1)

  • #651743

    #651743

    oklch(35.2% 0.119 350.4)

  • #602900

    #602900

    oklch(35.3% 0.093 50)

Open the analogous palette in the generator

Split complementary

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

  • #6C151F

    #6C151F

    oklch(35.2% 0.12 20.1)

  • #004635

    #004635

    oklch(35.1% 0.069 170)

  • #004158

    #004158

    oklch(35.1% 0.07 229.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C151F

    #6C151F

    oklch(35.2% 0.12 20.1)

  • #104800

    #104800

    oklch(35.2% 0.113 140.1)

  • #103778

    #103778

    oklch(35.2% 0.12 260.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C151F

    #6C151F

    oklch(35.2% 0.12 20.1)

  • #3E3E00

    #3E3E00

    oklch(35.2% 0.077 109.8)

  • #004447

    #004447

    oklch(35.1% 0.06 199.8)

  • #3D2B74

    #3D2B74

    oklch(35.3% 0.12 290.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C151F, closest first.

Similar named colors

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

Use #6C151F 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.