#551E1B

Closest named color: Claret (#680018). oklch(31.8% 0.083 26), rgb(85, 30, 27).

Aa

White text reads best on this color (13.22:1).

About this color

#551E1B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.083 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.051 away. White text reads best on it, at 13.22:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.083)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.58:1
White text13.22:1

Values

HEX#551E1B
RGBrgb(85, 30, 27)
HSLhsl(3, 52%, 22%)
OKLCHoklch(31.8% 0.083 26)

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 #551E1B 13.22:1 AAA Lc -102.4 Preferred for body text
Black text on #551E1B 1.58:1 Fails Lc 0.0 Not readable
#551E1B text on white 13.22:1 AAA Lc 99.1 Preferred for body text
#551E1B text on black 1.58:1 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

    #FBCCC7

    oklch(88.5% 0.054 25.3)

  4. Step 300

    300

    #FAA8A0

    oklch(80.9% 0.098 25.6)

  5. Step 400

    400

    #F3756C

    oklch(70.8% 0.157 26)

  6. Step 500

    500

    #EA4744

    oklch(63.1% 0.2 25.9)

  7. Step 600

    600

    #D51523

    oklch(55.6% 0.217 26)

  8. Step 700

    700

    #B70017

    oklch(49.1% 0.199 26.1)

  9. Step 800

    800

    #960A15

    oklch(42.8% 0.168 26)

  10. Step 900

    900

    #781818

    oklch(37.7% 0.131 26.2)

  11. Step 950

    950 (this color)

    #551E1B

    oklch(31.8% 0.083 26)

Export this scale for Tailwind in the Tailwind colors tool

#551E1B 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)#2C291A0.088
Deuteranopia (no green cones)#3A341A0.080
Tritanopia (no blue cones)#5E131E0.028
Achromatopsia (no color)#3030300.083

Harmonies

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

Complementary

The opposite hue (180°).

  • #551E1B

    #551E1B

    oklch(31.8% 0.083 26)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #551E1B

    #551E1B

    oklch(31.8% 0.083 26)

  • #521D34

    #521D34

    oklch(31.9% 0.084 355.8)

  • #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°).

  • #551E1B

    #551E1B

    oklch(31.8% 0.083 26)

  • #003C31

    #003C31

    oklch(31.8% 0.06 175.7)

  • #003750

    #003750

    oklch(31.8% 0.068 235.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #551E1B

    #551E1B

    oklch(31.8% 0.083 26)

  • #0E3D16

    #0E3D16

    oklch(31.8% 0.083 146.2)

  • #1E305C

    #1E305C

    oklch(31.9% 0.082 265.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #551E1B

    #551E1B

    oklch(31.8% 0.083 26)

  • #313600

    #313600

    oklch(31.7% 0.072 115.3)

  • #003A40

    #003A40

    oklch(31.8% 0.054 206.2)

  • #372857

    #372857

    oklch(31.9% 0.082 296.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #551E1B, closest first.

Similar named colors

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

Use #551E1B 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.