#673E1E

Closest named color: Mud Brown (#60460F). oklch(40.6% 0.073 56.6), rgb(103, 62, 30).

Aa

White text reads best on this color (9.19:1).

About this color

#673E1E is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.073 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.033 away. White text reads best on it, at 9.19:1.

Hue familyBrowns
Lightnessdark (41%)
Chromamoderately saturated (0.073)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.28:1
White text9.19:1

Values

HEX#673E1E
RGBrgb(103, 62, 30)
HSLhsl(26, 55%, 26%)
OKLCHoklch(40.6% 0.073 56.6)

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 #673E1E 9.19:1 AAA Lc -95.3 Preferred for body text
Black text on #673E1E 2.28:1 Fails Lc 13.0 Not readable
#673E1E text on white 9.19:1 AAA Lc 91.0 Preferred for body text
#673E1E text on black 2.28:1 Fails Lc -11.4 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

    #F9F4F2

    oklch(97% 0.006 43.3)

  2. Step 100

    100

    #F1E8E2

    oklch(93.6% 0.013 56.2)

  3. Step 200

    200

    #E6D6CA

    oklch(88.6% 0.024 59.4)

  4. Step 300

    300

    #D7BAA6

    oklch(80.9% 0.043 56.6)

  5. Step 400

    400

    #C29677

    oklch(70.7% 0.068 56.5)

  6. Step 500

    500

    #B27B53

    oklch(63% 0.088 56.4)

  7. Step 600

    600

    #9D6438

    oklch(55.6% 0.095 56.9)

  8. Step 700

    700

    #86522A

    oklch(49% 0.088 56.3)

  9. Step 800

    800 (this color)

    #673E1E

    oklch(40.6% 0.073 56.6)

  10. Step 900

    900

    #593922

    oklch(37.7% 0.058 55.7)

  11. Step 950

    950

    #342214

    oklch(27% 0.037 58.3)

Export this scale for Tailwind in the Tailwind colors tool

#673E1E 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)#4A421B0.056
Deuteranopia (no green cones)#544B1E0.050
Tritanopia (no blue cones)#7135370.052
Achromatopsia (no color)#4848480.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #673E1E

    #673E1E

    oklch(40.6% 0.073 56.6)

  • #194F6C

    #194F6C

    oklch(40.7% 0.074 236.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #673E1E

    #673E1E

    oklch(40.6% 0.073 56.6)

  • #6C3833

    #6C3833

    oklch(40.6% 0.075 26.6)

  • #5B4611

    #5B4611

    oklch(40.6% 0.074 86)

Open the analogous palette in the generator

Split complementary

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

  • #673E1E

    #673E1E

    oklch(40.6% 0.073 56.6)

  • #00545C

    #00545C

    oklch(40.7% 0.07 205.9)

  • #374871

    #374871

    oklch(40.7% 0.073 266.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #673E1E

    #673E1E

    oklch(40.6% 0.073 56.6)

  • #065648

    #065648

    oklch(40.6% 0.074 176.4)

  • #4D406C

    #4D406C

    oklch(40.5% 0.074 296.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #673E1E

    #673E1E

    oklch(40.6% 0.073 56.6)

  • #2C5431

    #2C5431

    oklch(40.6% 0.074 146.9)

  • #194F6C

    #194F6C

    oklch(40.7% 0.074 236.4)

  • #5E3A5E

    #5E3A5E

    oklch(40.5% 0.074 326.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #673E1E, closest first.

Similar named colors

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

Use #673E1E 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.