#551F1B

Closest named color: Claret (#680018). oklch(32% 0.081 26.9), rgb(85, 31, 27).

Aa

White text reads best on this color (13.14:1).

About this color

#551F1B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.081 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.053 away. White text reads best on it, at 13.14:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.081)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.59:1
White text13.14:1

Values

HEX#551F1B
RGBrgb(85, 31, 27)
HSLhsl(4, 52%, 22%)
OKLCHoklch(32% 0.081 26.9)

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 #551F1B 13.14:1 AAA Lc -102.3 Preferred for body text
Black text on #551F1B 1.59:1 Fails Lc 0.0 Not readable
#551F1B text on white 13.14:1 AAA Lc 99.0 Preferred for body text
#551F1B text on black 1.59:1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FBCCC6

    oklch(88.4% 0.054 26.7)

  4. Step 300

    300

    #F9A99F

    oklch(81% 0.096 27.2)

  5. Step 400

    400

    #F1766B

    oklch(70.7% 0.154 26.9)

  6. Step 500

    500

    #E94942

    oklch(63.2% 0.198 26.9)

  7. Step 600

    600

    #D41B21

    oklch(55.6% 0.214 26.9)

  8. Step 700

    700

    #B70213

    oklch(49.1% 0.199 26.9)

  9. Step 800

    800

    #950F14

    oklch(42.8% 0.165 26.8)

  10. Step 900

    900

    #771A18

    oklch(37.7% 0.128 26.8)

  11. Step 950

    950 (this color)

    #551F1B

    oklch(32% 0.081 26.9)

Export this scale for Tailwind in the Tailwind colors tool

#551F1B 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)#2D291A0.085
Deuteranopia (no green cones)#3A351A0.080
Tritanopia (no blue cones)#5E151E0.027
Achromatopsia (no color)#3030300.082

Harmonies

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

Complementary

The opposite hue (180°).

  • #551F1B

    #551F1B

    oklch(32% 0.081 26.9)

  • #003A41

    #003A41

    oklch(31.9% 0.055 208)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #551F1B

    #551F1B

    oklch(32% 0.081 26.9)

  • #521E33

    #521E33

    oklch(32% 0.082 357.5)

  • #4F2600

    #4F2600

    oklch(31.9% 0.077 56.7)

Open the analogous palette in the generator

Split complementary

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

  • #551F1B

    #551F1B

    oklch(32% 0.081 26.9)

  • #003C32

    #003C32

    oklch(31.9% 0.059 177.3)

  • #003752

    #003752

    oklch(32% 0.07 237.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #551F1B

    #551F1B

    oklch(32% 0.081 26.9)

  • #0E3D18

    #0E3D18

    oklch(31.9% 0.081 147.2)

  • #20305C

    #20305C

    oklch(32% 0.081 266.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #551F1B

    #551F1B

    oklch(32% 0.081 26.9)

  • #313700

    #313700

    oklch(32% 0.073 116.3)

  • #003A41

    #003A41

    oklch(31.9% 0.055 208)

  • #382857

    #382857

    oklch(32% 0.082 297.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #551F1B, closest first.

Similar named colors

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

Use #551F1B 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.