#511D06

Closest named color: Chocolate Brown (#411900). oklch(30.6% 0.085 41.7), rgb(81, 29, 6).

Aa

White text reads best on this color (13.74:1).

About this color

#511D06 is a dark, moderately saturated brown. In OKLCH its lightness is 31%, its chroma 0.085 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 13.74:1.

Hue familyBrowns
Lightnessdark (31%)
Chromamoderately saturated (0.085)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.52:1
White text13.74:1

Values

HEX#511D06
RGBrgb(81, 29, 6)
HSLhsl(18, 86%, 17%)
OKLCHoklch(30.6% 0.085 41.7)

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 #511D06 13.74:1 AAA Lc -102.9 Preferred for body text
Black text on #511D06 1.52:1 Fails Lc 0.0 Not readable
#511D06 text on white 13.74:1 AAA Lc 99.8 Preferred for body text
#511D06 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

    #FEF3EF

    oklch(97.2% 0.013 41.2)

  2. Step 100

    100

    #FCE4DB

    oklch(93.6% 0.029 41.7)

  3. Step 200

    200

    #FACEBD

    oklch(88.5% 0.055 42.2)

  4. Step 300

    300

    #F8AB8E

    oklch(80.9% 0.1 41.5)

  5. Step 400

    400

    #F17949

    oklch(70.6% 0.161 41.6)

  6. Step 500

    500

    #E35500

    oklch(63.1% 0.191 41.8)

  7. Step 600

    600

    #C04600

    oklch(55.6% 0.169 41.6)

  8. Step 700

    700

    #A23A00

    oklch(49% 0.149 41.7)

  9. Step 800

    800

    #862F00

    oklch(42.8% 0.129 42)

  10. Step 900

    900

    #712600

    oklch(37.8% 0.115 41.7)

  11. Step 950

    950 (this color)

    #511D06

    oklch(30.6% 0.085 41.7)

Export this scale for Tailwind in the Tailwind colors tool

#511D06 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)#2C26030.082
Deuteranopia (no green cones)#3932040.075
Tritanopia (no blue cones)#5A10190.042
Achromatopsia (no color)#2D2D2D0.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #511D06

    #511D06

    oklch(30.6% 0.085 41.7)

  • #003544

    #003544

    oklch(30.5% 0.057 223.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #511D06

    #511D06

    oklch(30.6% 0.085 41.7)

  • #511924

    #511924

    oklch(30.6% 0.084 11.7)

  • #442900

    #442900

    oklch(30.7% 0.066 71.4)

Open the analogous palette in the generator

Split complementary

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

  • #511D06

    #511D06

    oklch(30.6% 0.085 41.7)

  • #003836

    #003836

    oklch(30.8% 0.053 190.9)

  • #053058

    #053058

    oklch(30.6% 0.085 251.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #511D06

    #511D06

    oklch(30.6% 0.085 41.7)

  • #003A24

    #003A24

    oklch(30.8% 0.069 160.9)

  • #2A2858

    #2A2858

    oklch(30.7% 0.084 282.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #511D06

    #511D06

    oklch(30.6% 0.085 41.7)

  • #1F3800

    #1F3800

    oklch(30.8% 0.085 131.7)

  • #003544

    #003544

    oklch(30.5% 0.057 223.2)

  • #3D214E

    #3D214E

    oklch(30.7% 0.084 311.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #511D06, closest first.

Similar named colors

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

Use #511D06 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.