#55180F

Closest named color: Claret (#680018). oklch(30.8% 0.092 31.2), rgb(85, 24, 15).

Aa

White text reads best on this color (13.78:1).

About this color

#55180F is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.092 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.050 away. White text reads best on it, at 13.78:1.

Hue familyReds
Lightnessdark (31%)
Chromamoderately saturated (0.092)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.52:1
White text13.78:1

Values

HEX#55180F
RGBrgb(85, 24, 15)
HSLhsl(8, 70%, 20%)
OKLCHoklch(30.8% 0.092 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 #55180F 13.78:1 AAA Lc -102.9 Preferred for body text
Black text on #55180F 1.52:1 Fails Lc 0.0 Not readable
#55180F text on white 13.78:1 AAA Lc 99.7 Preferred for body text
#55180F text on black 1.52:1 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 950.

  1. Step 50

    50

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FEE3DD

    oklch(93.6% 0.031 32.6)

  3. Step 200

    200

    #FFCBC1

    oklch(88.5% 0.061 30.9)

  4. Step 300

    300

    #FFA695

    oklch(80.9% 0.109 31.4)

  5. Step 400

    400

    #FA6F58

    oklch(70.6% 0.175 31.3)

  6. Step 500

    500

    #F33A20

    oklch(63.2% 0.224 31.3)

  7. Step 600

    600

    #D41E00

    oklch(55.6% 0.215 31.2)

  8. Step 700

    700

    #B41700

    oklch(49.2% 0.191 31.1)

  9. Step 800

    800

    #951100

    oklch(42.8% 0.166 31.1)

  10. Step 900

    900

    #7D0D00

    oklch(37.7% 0.146 31.2)

  11. Step 950

    950 (this color)

    #55180F

    oklch(30.8% 0.092 31.2)

Export this scale for Tailwind in the Tailwind colors tool

#55180F 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)#29240E0.097
Deuteranopia (no green cones)#38320D0.089
Tritanopia (no blue cones)#5E07160.032
Achromatopsia (no color)#2D2D2D0.093

Harmonies

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

Complementary

The opposite hue (180°).

  • #55180F

    #55180F

    oklch(30.8% 0.092 31.2)

  • #00373F

    #00373F

    oklch(30.9% 0.053 210.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #55180F

    #55180F

    oklch(30.8% 0.092 31.2)

  • #53162D

    #53162D

    oklch(30.8% 0.093 1.1)

  • #492600

    #492600

    oklch(30.9% 0.071 61.5)

Open the analogous palette in the generator

Split complementary

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

  • #55180F

    #55180F

    oklch(30.8% 0.092 31.2)

  • #003931

    #003931

    oklch(30.9% 0.056 180)

  • #003350

    #003350

    oklch(30.7% 0.072 241.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #55180F

    #55180F

    oklch(30.8% 0.092 31.2)

  • #003B18

    #003B18

    oklch(30.8% 0.083 150.9)

  • #1F2A5E

    #1F2A5E

    oklch(30.7% 0.093 271)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #55180F

    #55180F

    oklch(30.8% 0.092 31.2)

  • #2A3500

    #2A3500

    oklch(30.8% 0.074 121.5)

  • #00373F

    #00373F

    oklch(30.9% 0.053 210.4)

  • #382256

    #382256

    oklch(30.8% 0.091 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #55180F, closest first.

Similar named colors

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

Use #55180F 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.