#36181F

Closest named color: Dark Brown (#341C02). oklch(25.5% 0.049 6.3), rgb(54, 24, 31).

Aa

White text reads best on this color (16.06:1).

About this color

#36181F is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.049 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.050 away. White text reads best on it, at 16.06:1.

Hue familyReds
Lightnessdark (25%)
Chromamuted (0.049)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.30:1
White text16.06:1

Values

HEX#36181F
RGBrgb(54, 24, 31)
HSLhsl(346, 38%, 15%)
OKLCHoklch(25.5% 0.049 6.3)

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 #36181F 16.06:1 AAA Lc -105.4 Preferred for body text
Black text on #36181F 1.30:1 Fails Lc 0.0 Not readable
#36181F text on white 16.06:1 AAA Lc 102.8 Preferred for body text
#36181F text on black 1.30:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #FAF3F4

    oklch(97% 0.008 7.3)

  2. Step 100

    100

    #F4E6E8

    oklch(93.7% 0.015 7.5)

  3. Step 200

    200

    #EDD1D6

    oklch(88.5% 0.032 5.6)

  4. Step 300

    300

    #E2B2BB

    oklch(80.9% 0.057 5.9)

  5. Step 400

    400

    #D28897

    oklch(70.7% 0.092 6.5)

  6. Step 500

    500

    #C4697E

    oklch(63.1% 0.117 6.3)

  7. Step 600

    600

    #AF4F67

    oklch(55.6% 0.127 6.5)

  8. Step 700

    700

    #963F56

    oklch(49% 0.119 6)

  9. Step 800

    800

    #7A3546

    oklch(42.7% 0.098 6.7)

  10. Step 900

    900

    #632F3B

    oklch(37.8% 0.076 6.8)

  11. Step 950

    950 (this color)

    #36181F

    oklch(25.5% 0.049 6.3)

Export this scale for Tailwind in the Tailwind colors tool

#36181F 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)#1D1E1F0.054
Deuteranopia (no green cones)#25231E0.048
Tritanopia (no blue cones)#3B151B0.013
Achromatopsia (no color)#2121210.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #36181F

    #36181F

    oklch(25.5% 0.049 6.3)

  • #002A26

    #002A26

    oklch(25.6% 0.045 185.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #36181F

    #36181F

    oklch(25.5% 0.049 6.3)

  • #31192C

    #31192C

    oklch(25.4% 0.049 335)

  • #361A12

    #361A12

    oklch(25.5% 0.047 36.8)

Open the analogous palette in the generator

Split complementary

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

  • #36181F

    #36181F

    oklch(25.5% 0.049 6.3)

  • #0B2A19

    #0B2A19

    oklch(25.6% 0.049 156.3)

  • #002831

    #002831

    oklch(25.5% 0.046 216.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #36181F

    #36181F

    oklch(25.5% 0.049 6.3)

  • #1D270B

    #1D270B

    oklch(25.5% 0.049 126.1)

  • #0C2539

    #0C2539

    oklch(25.6% 0.049 245.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #36181F

    #36181F

    oklch(25.5% 0.049 6.3)

  • #2A2203

    #2A2203

    oklch(25.4% 0.048 94.6)

  • #002A26

    #002A26

    oklch(25.6% 0.045 185.2)

  • #1D203A

    #1D203A

    oklch(25.5% 0.049 277.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #36181F, closest first.

Similar named colors

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

Use #36181F 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.