#623F1C

Closest named color: Mud Brown (#60460F). oklch(40.1% 0.069 63.4), rgb(98, 63, 28).

Aa

White text reads best on this color (9.34:1).

About this color

#623F1C is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.027 away. White text reads best on it, at 9.34:1.

Hue familyBrowns
Lightnessdark (40%)
Chromamuted (0.069)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.24:1
White text9.34:1

Values

HEX#623F1C
RGBrgb(98, 63, 28)
HSLhsl(30, 56%, 25%)
OKLCHoklch(40.1% 0.069 63.4)

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 #623F1C 9.34:1 AAA Lc -95.7 Preferred for body text
Black text on #623F1C 2.24:1 Fails Lc 12.5 Not readable
#623F1C text on white 9.34:1 AAA Lc 91.4 Preferred for body text
#623F1C text on black 2.24:1 Fails Lc -10.9 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 900.

  1. Step 50

    50

    #F9F4F1

    oklch(97% 0.007 53.4)

  2. Step 100

    100

    #F1E8E0

    oklch(93.6% 0.015 64.3)

  3. Step 200

    200

    #E7D6C6

    oklch(88.6% 0.029 65.7)

  4. Step 300

    300

    #D9BA9E

    oklch(80.9% 0.052 64.1)

  5. Step 400

    400

    #C69569

    oklch(70.6% 0.084 62.7)

  6. Step 500

    500

    #B67A3F

    oklch(63% 0.106 63.3)

  7. Step 600

    600

    #A2621A

    oklch(55.6% 0.116 63.1)

  8. Step 700

    700

    #8A510A

    oklch(49.1% 0.107 63.6)

  9. Step 800

    800

    #70430E

    oklch(42.7% 0.089 64.3)

  10. Step 900

    900 (this color)

    #623F1C

    oklch(40.1% 0.069 63.4)

  11. Step 950

    950

    #35210E

    oklch(26.8% 0.043 62.7)

Export this scale for Tailwind in the Tailwind colors tool

#623F1C 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)#4A42180.046
Deuteranopia (no green cones)#524A1C0.042
Tritanopia (no blue cones)#6B37370.052
Achromatopsia (no color)#4747470.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #623F1C

    #623F1C

    oklch(40.1% 0.069 63.4)

  • #234C6A

    #234C6A

    oklch(40.1% 0.069 242.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #623F1C

    #623F1C

    oklch(40.1% 0.069 63.4)

  • #68392F

    #68392F

    oklch(40.1% 0.069 33)

  • #554715

    #554715

    oklch(40.2% 0.07 93.2)

Open the analogous palette in the generator

Split complementary

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

  • #623F1C

    #623F1C

    oklch(40.1% 0.069 63.4)

  • #02515E

    #02515E

    oklch(40% 0.069 213.3)

  • #3C456D

    #3C456D

    oklch(40.1% 0.069 273.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #623F1C

    #623F1C

    oklch(40.1% 0.069 63.4)

  • #05544C

    #05544C

    oklch(40.1% 0.069 183.7)

  • #503E67

    #503E67

    oklch(40.1% 0.07 303.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #623F1C

    #623F1C

    oklch(40.1% 0.069 63.4)

  • #275336

    #275336

    oklch(40.2% 0.07 153.2)

  • #234C6A

    #234C6A

    oklch(40.1% 0.069 242.8)

  • #5E3958

    #5E3958

    oklch(40% 0.07 332.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #623F1C, closest first.

Similar named colors

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

Use #623F1C 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.