#783B21

Closest named color: Rust Brown (#8B3103). oklch(42.6% 0.094 42.7), rgb(120, 59, 33).

Aa

White text reads best on this color (8.58:1).

About this color

#783B21 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.094 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.041 away. White text reads best on it, at 8.58:1.

Hue familyBrowns
Lightnessdark (43%)
Chromamoderately saturated (0.094)
Temperaturewarm
Nearest nameRust Brown (#8B3103)
Black text2.44:1
White text8.58:1

Values

HEX#783B21
RGBrgb(120, 59, 33)
HSLhsl(18, 57%, 30%)
OKLCHoklch(42.6% 0.094 42.7)

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 #783B21 8.58:1 AAA Lc -93.7 Preferred for body text
Black text on #783B21 2.44:1 Fails Lc 14.9 Not readable
#783B21 text on white 8.58:1 AAA Lc 89.1 Fine for body text
#783B21 text on black 2.44:1 Fails Lc -13.1 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 800.

  1. Step 50

    50

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F4E7E2

    oklch(93.7% 0.016 42.4)

  3. Step 200

    200

    #ECD3CA

    oklch(88.5% 0.031 40.9)

  4. Step 300

    300

    #E0B6A5

    oklch(80.9% 0.054 43.2)

  5. Step 400

    400

    #CF8F75

    oklch(70.7% 0.087 43)

  6. Step 500

    500

    #C17150

    oklch(63% 0.112 42.8)

  7. Step 600

    600

    #AD5834

    oklch(55.6% 0.122 42.7)

  8. Step 700

    700

    #944827

    oklch(49.1% 0.112 42.8)

  9. Step 800

    800 (this color)

    #783B21

    oklch(42.6% 0.094 42.7)

  10. Step 900

    900

    #613320

    oklch(37.6% 0.073 42.6)

  11. Step 950

    950

    #391E13

    oklch(26.9% 0.047 42.6)

Export this scale for Tailwind in the Tailwind colors tool

#783B21 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)#4C441E0.087
Deuteranopia (no green cones)#5A51200.080
Tritanopia (no blue cones)#842F350.049
Achromatopsia (no color)#4C4C4C0.094

Harmonies

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

Complementary

The opposite hue (180°).

  • #783B21

    #783B21

    oklch(42.6% 0.094 42.7)

  • #00586E

    #00586E

    oklch(42.7% 0.079 222.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #783B21

    #783B21

    oklch(42.6% 0.094 42.7)

  • #793640

    #793640

    oklch(42.5% 0.094 12.7)

  • #6C4500

    #6C4500

    oklch(42.5% 0.091 72.8)

Open the analogous palette in the generator

Split complementary

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

  • #783B21

    #783B21

    oklch(42.6% 0.094 42.7)

  • #005B59

    #005B59

    oklch(42.6% 0.073 192.2)

  • #255080

    #255080

    oklch(42.5% 0.093 253)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #783B21

    #783B21

    oklch(42.6% 0.094 42.7)

  • #005E3F

    #005E3F

    oklch(42.6% 0.093 162.3)

  • #484780

    #484780

    oklch(42.7% 0.093 282.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #783B21

    #783B21

    oklch(42.6% 0.094 42.7)

  • #3A591E

    #3A591E

    oklch(42.6% 0.094 132.6)

  • #00586E

    #00586E

    oklch(42.7% 0.079 222.3)

  • #603E73

    #603E73

    oklch(42.6% 0.093 312.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #783B21, closest first.

Similar named colors

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

Use #783B21 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.