#551F04

Closest named color: Chocolate Brown (#411900). oklch(31.7% 0.088 43.3), rgb(85, 31, 4).

Aa

White text reads best on this color (13.25:1).

About this color

#551F04 is a dark, moderately saturated brown. In OKLCH its lightness is 32%, its chroma 0.088 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.051 away. White text reads best on it, at 13.25:1.

Hue familyBrowns
Lightnessdark (32%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.58:1
White text13.25:1

Values

HEX#551F04
RGBrgb(85, 31, 4)
HSLhsl(20, 91%, 17%)
OKLCHoklch(31.7% 0.088 43.3)

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 #551F04 13.25:1 AAA Lc -102.3 Preferred for body text
Black text on #551F04 1.58:1 Fails Lc 0.0 Not readable
#551F04 text on white 13.25:1 AAA Lc 99.1 Preferred for body text
#551F04 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

    #FEF3EE

    oklch(97.1% 0.014 46.2)

  2. Step 100

    100

    #FCE4DA

    oklch(93.6% 0.03 44)

  3. Step 200

    200

    #FBCEBB

    oklch(88.5% 0.057 44.1)

  4. Step 300

    300

    #FAAB8A

    oklch(81% 0.104 43.5)

  5. Step 400

    400

    #F37840

    oklch(70.6% 0.167 43.4)

  6. Step 500

    500

    #E05800

    oklch(63% 0.186 43.3)

  7. Step 600

    600

    #BE4900

    oklch(55.6% 0.165 43.1)

  8. Step 700

    700

    #A03D00

    oklch(49.1% 0.144 43.5)

  9. Step 800

    800

    #843100

    oklch(42.7% 0.125 43.5)

  10. Step 900

    900

    #6F2800

    oklch(37.7% 0.111 43.6)

  11. Step 950

    950 (this color)

    #551F04

    oklch(31.7% 0.088 43.3)

Export this scale for Tailwind in the Tailwind colors tool

#551F04 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)#2F28010.083
Deuteranopia (no green cones)#3C34020.075
Tritanopia (no blue cones)#5E111A0.045
Achromatopsia (no color)#3030300.089

Harmonies

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

Complementary

The opposite hue (180°).

  • #551F04

    #551F04

    oklch(31.7% 0.088 43.3)

  • #003848

    #003848

    oklch(31.6% 0.059 223.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #551F04

    #551F04

    oklch(31.7% 0.088 43.3)

  • #561A25

    #561A25

    oklch(31.7% 0.089 12.8)

  • #462C00

    #462C00

    oklch(31.7% 0.067 74.2)

Open the analogous palette in the generator

Split complementary

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

  • #551F04

    #551F04

    oklch(31.7% 0.088 43.3)

  • #003A3A

    #003A3A

    oklch(31.5% 0.054 194.8)

  • #09325D

    #09325D

    oklch(31.6% 0.088 253.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #551F04

    #551F04

    oklch(31.7% 0.088 43.3)

  • #003C28

    #003C28

    oklch(31.5% 0.067 163.7)

  • #2D2A5D

    #2D2A5D

    oklch(31.8% 0.088 282.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #551F04

    #551F04

    oklch(31.7% 0.088 43.3)

  • #1E3B01

    #1E3B01

    oklch(31.7% 0.089 133.5)

  • #003848

    #003848

    oklch(31.6% 0.059 223.7)

  • #422251

    #422251

    oklch(31.7% 0.088 313.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #551F04, closest first.

Similar named colors

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

Use #551F04 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.