#6C100F

Closest named color: Reddy Brown (#6E1005). oklch(34.5% 0.126 27.3), rgb(108, 16, 15).

Aa

White text reads best on this color (12.21:1).

About this color

#6C100F is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.126 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.009 away. White text reads best on it, at 12.21:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.126)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.71:1
White text12.21:1

Values

HEX#6C100F
RGBrgb(108, 16, 15)
HSLhsl(1, 76%, 24%)
OKLCHoklch(34.5% 0.126 27.3)

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 #6C100F 12.21:1 AAA Lc -100.1 Preferred for body text
Black text on #6C100F 1.71:1 Fails Lc 7.5 Not readable
#6C100F text on white 12.21:1 AAA Lc 96.4 Preferred for body text
#6C100F text on black 1.71:1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FACDC6

    oklch(88.5% 0.052 28.5)

  4. Step 300

    300

    #F8A99F

    oklch(80.9% 0.095 27.3)

  5. Step 400

    400

    #F0776B

    oklch(70.7% 0.151 27.3)

  6. Step 500

    500

    #E74C43

    oklch(63.2% 0.193 27.4)

  7. Step 600

    600

    #D22122

    oklch(55.6% 0.209 27.3)

  8. Step 700

    700

    #B50D15

    oklch(49% 0.194 27.3)

  9. Step 800

    800

    #931415

    oklch(42.7% 0.161 27.2)

  10. Step 900

    900 (this color)

    #6C100F

    oklch(34.5% 0.126 27.3)

  11. Step 950

    950

    #46120F

    oklch(27% 0.08 27.1)

Export this scale for Tailwind in the Tailwind colors tool

#6C100F 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)#2E290D0.136
Deuteranopia (no green cones)#443C0A0.123
Tritanopia (no blue cones)#7800110.027
Achromatopsia (no color)#3535350.127

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C100F

    #6C100F

    oklch(34.5% 0.126 27.3)

  • #004249

    #004249

    oklch(34.6% 0.059 206.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C100F

    #6C100F

    oklch(34.5% 0.126 27.3)

  • #670F3A

    #670F3A

    oklch(34.5% 0.126 357)

  • #582C00

    #582C00

    oklch(34.5% 0.083 57.8)

Open the analogous palette in the generator

Split complementary

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

  • #6C100F

    #6C100F

    oklch(34.5% 0.126 27.3)

  • #004439

    #004439

    oklch(34.6% 0.064 177.4)

  • #003E5B

    #003E5B

    oklch(34.5% 0.075 237)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C100F

    #6C100F

    oklch(34.5% 0.126 27.3)

  • #004616

    #004616

    oklch(34.4% 0.101 147.6)

  • #1D3179

    #1D3179

    oklch(34.5% 0.125 267.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C100F

    #6C100F

    oklch(34.5% 0.126 27.3)

  • #363E00

    #363E00

    oklch(34.4% 0.08 117.6)

  • #004249

    #004249

    oklch(34.6% 0.059 206.7)

  • #422471

    #422471

    oklch(34.5% 0.126 297.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C100F, closest first.

Similar named colors

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

Use #6C100F 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.