#674B18

Closest named color: Mud Brown (#60460F). oklch(43.3% 0.076 78.9), rgb(103, 75, 24).

Aa

White text reads best on this color (8.08:1).

About this color

#674B18 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.021 away. White text reads best on it, at 8.08:1.

Hue familyBrowns
Lightnessdark (43%)
Chromamoderately saturated (0.076)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.59:1
White text8.08:1

Values

HEX#674B18
RGBrgb(103, 75, 24)
HSLhsl(39, 62%, 25%)
OKLCHoklch(43.3% 0.076 78.9)

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 #674B18 8.08:1 AAA Lc -92.5 Preferred for body text
Black text on #674B18 2.59:1 Fails Lc 16.1 Dividers and decoration only
#674B18 text on white 8.08:1 AAA Lc 87.9 Fine for body text
#674B18 text on black 2.59:1 Fails Lc -14.3 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

    #F8F5F1

    oklch(97.1% 0.006 75.4)

  2. Step 100

    100

    #EFE9E0

    oklch(93.6% 0.014 78.3)

  3. Step 200

    200

    #E2D8C7

    oklch(88.6% 0.025 81.1)

  4. Step 300

    300

    #D0BEA1

    oklch(80.9% 0.044 79.7)

  5. Step 400

    400

    #B99C6D

    oklch(70.8% 0.072 79.2)

  6. Step 500

    500

    #A78345

    oklch(63.1% 0.091 79.5)

  7. Step 600

    600

    #926C25

    oklch(55.7% 0.099 79.4)

  8. Step 700

    700

    #7D5A17

    oklch(49.2% 0.092 79)

  9. Step 800

    800 (this color)

    #674B18

    oklch(43.3% 0.076 78.9)

  10. Step 900

    900

    #533E19

    oklch(37.9% 0.06 79.3)

  11. Step 950

    950

    #302410

    oklch(26.9% 0.037 78.9)

Export this scale for Tailwind in the Tailwind colors tool

#674B18 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)#564C110.033
Deuteranopia (no green cones)#5D531A0.028
Tritanopia (no blue cones)#7043410.067
Achromatopsia (no color)#5050500.076

Harmonies

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

Complementary

The opposite hue (180°).

  • #674B18

    #674B18

    oklch(43.3% 0.076 78.9)

  • #36517A

    #36517A

    oklch(43.3% 0.076 258.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #674B18

    #674B18

    oklch(43.3% 0.076 78.9)

  • #724329

    #724329

    oklch(43.3% 0.076 48.8)

  • #54541C

    #54541C

    oklch(43.4% 0.077 109.2)

Open the analogous palette in the generator

Split complementary

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

  • #674B18

    #674B18

    oklch(43.3% 0.076 78.9)

  • #155872

    #155872

    oklch(43.3% 0.077 229.2)

  • #4F4978

    #4F4978

    oklch(43.3% 0.077 288.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #674B18

    #674B18

    oklch(43.3% 0.076 78.9)

  • #005D60

    #005D60

    oklch(43.4% 0.074 198.6)

  • #63426B

    #63426B

    oklch(43.3% 0.077 319.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #674B18

    #674B18

    oklch(43.3% 0.076 78.9)

  • #185E49

    #185E49

    oklch(43.3% 0.077 168.7)

  • #36517A

    #36517A

    oklch(43.3% 0.076 258.5)

  • #6F3E57

    #6F3E57

    oklch(43.2% 0.076 348.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #674B18, closest first.

Similar named colors

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

Use #674B18 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.