#6A180D

Closest named color: Reddy Brown (#6E1005). oklch(34.8% 0.117 31), rgb(106, 24, 13).

Aa

White text reads best on this color (12.00:1).

About this color

#6A180D is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.117 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.012 away. White text reads best on it, at 12.00:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.117)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.74:1
White text12.00:1

Values

HEX#6A180D
RGBrgb(106, 24, 13)
HSLhsl(7, 78%, 23%)
OKLCHoklch(34.8% 0.117 31)

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 #6A180D 12.00:1 AAA Lc -100.0 Preferred for body text
Black text on #6A180D 1.74:1 Fails Lc 7.6 Not readable
#6A180D text on white 12.00:1 AAA Lc 96.3 Preferred for body text
#6A180D text on black 1.74:1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E0

    oklch(93.6% 0.025 29.9)

  3. Step 200

    200

    #F8CEC6

    oklch(88.5% 0.049 30.7)

  4. Step 300

    300

    #F4AC9E

    oklch(80.9% 0.088 31.3)

  5. Step 400

    400

    #EB7C69

    oklch(70.7% 0.141 31)

  6. Step 500

    500

    #E1543F

    oklch(63.1% 0.18 31.1)

  7. Step 600

    600

    #CD311C

    oklch(55.7% 0.195 31.1)

  8. Step 700

    700

    #B0200D

    oklch(49% 0.181 31)

  9. Step 800

    800

    #8F1F10

    oklch(42.7% 0.15 31.1)

  10. Step 900

    900 (this color)

    #6A180D

    oklch(34.8% 0.117 31)

  11. Step 950

    950

    #44150E

    oklch(27% 0.074 30.9)

Export this scale for Tailwind in the Tailwind colors tool

#6A180D 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)#312B0B0.124
Deuteranopia (no green cones)#453D090.113
Tritanopia (no blue cones)#7600160.035
Achromatopsia (no color)#3636360.118

Harmonies

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

Complementary

The opposite hue (180°).

  • #6A180D

    #6A180D

    oklch(34.8% 0.117 31)

  • #00424C

    #00424C

    oklch(34.8% 0.061 211.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6A180D

    #6A180D

    oklch(34.8% 0.117 31)

  • #671536

    #671536

    oklch(34.8% 0.118 1.3)

  • #572E00

    #572E00

    oklch(34.7% 0.081 61)

Open the analogous palette in the generator

Split complementary

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

  • #6A180D

    #6A180D

    oklch(34.8% 0.117 31)

  • #00443C

    #00443C

    oklch(34.7% 0.062 181.8)

  • #003E60

    #003E60

    oklch(34.8% 0.081 241.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6A180D

    #6A180D

    oklch(34.8% 0.117 31)

  • #00471F

    #00471F

    oklch(34.8% 0.093 151.3)

  • #253276

    #253276

    oklch(34.9% 0.117 270.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6A180D

    #6A180D

    oklch(34.8% 0.117 31)

  • #344000

    #344000

    oklch(34.8% 0.083 120.9)

  • #00424C

    #00424C

    oklch(34.8% 0.061 211.6)

  • #45266C

    #45266C

    oklch(34.7% 0.117 300.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6A180D, closest first.

Similar named colors

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

Use #6A180D 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.