#613C0F

Closest named color: Mud Brown (#60460F). oklch(39.2% 0.077 66.4), rgb(97, 60, 15).

Aa

White text reads best on this color (9.71:1).

About this color

#613C0F is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.077 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.029 away. White text reads best on it, at 9.71:1.

Hue familyBrowns
Lightnessdark (39%)
Chromamoderately saturated (0.077)
Temperaturewarm
Nearest nameMud Brown (#60460F)
Black text2.16:1
White text9.71:1

Values

HEX#613C0F
RGBrgb(97, 60, 15)
HSLhsl(33, 73%, 22%)
OKLCHoklch(39.2% 0.077 66.4)

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 #613C0F 9.71:1 AAA Lc -96.5 Preferred for body text
Black text on #613C0F 2.16:1 Fails Lc 11.7 Not readable
#613C0F text on white 9.71:1 AAA Lc 92.3 Preferred for body text
#613C0F text on black 2.16:1 Fails Lc -10.1 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 900.

  1. Step 50

    50

    #F9F4F0

    oklch(97% 0.008 61.5)

  2. Step 100

    100

    #F2E8DE

    oklch(93.6% 0.017 67.6)

  3. Step 200

    200

    #E8D5C3

    oklch(88.4% 0.032 65.9)

  4. Step 300

    300

    #DBBA99

    oklch(80.9% 0.058 66.8)

  5. Step 400

    400

    #C89560

    oklch(70.7% 0.093 66.4)

  6. Step 500

    500

    #B9792F

    oklch(63% 0.119 66.1)

  7. Step 600

    600

    #A36200

    oklch(55.6% 0.124 66.2)

  8. Step 700

    700

    #895200

    oklch(49.1% 0.109 66.6)

  9. Step 800

    800

    #714300

    oklch(42.8% 0.095 66.9)

  10. Step 900

    900 (this color)

    #613C0F

    oklch(39.2% 0.077 66.4)

  11. Step 950

    950

    #362109

    oklch(26.9% 0.049 66.5)

Export this scale for Tailwind in the Tailwind colors tool

#613C0F 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)#483F080.050
Deuteranopia (no green cones)#5148100.044
Tritanopia (no blue cones)#6B33330.060
Achromatopsia (no color)#4444440.078

Harmonies

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

Complementary

The opposite hue (180°).

  • #613C0F

    #613C0F

    oklch(39.2% 0.077 66.4)

  • #1D496C

    #1D496C

    oklch(39.2% 0.077 245.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #613C0F

    #613C0F

    oklch(39.2% 0.077 66.4)

  • #683527

    #683527

    oklch(39.1% 0.077 36.3)

  • #524506

    #524506

    oklch(39.2% 0.077 96.2)

Open the analogous palette in the generator

Split complementary

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

  • #613C0F

    #613C0F

    oklch(39.2% 0.077 66.4)

  • #004E5D

    #004E5D

    oklch(39.1% 0.07 216.3)

  • #3B416F

    #3B416F

    oklch(39.2% 0.078 276.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #613C0F

    #613C0F

    oklch(39.2% 0.077 66.4)

  • #00514B

    #00514B

    oklch(39.1% 0.069 186.3)

  • #503A66

    #503A66

    oklch(39.2% 0.077 306.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #613C0F

    #613C0F

    oklch(39.2% 0.077 66.4)

  • #1A5234

    #1A5234

    oklch(39.3% 0.078 156.4)

  • #1D496C

    #1D496C

    oklch(39.2% 0.077 245.6)

  • #5F3455

    #5F3455

    oklch(39.1% 0.078 336.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #613C0F, closest first.

Similar named colors

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

Use #613C0F 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.