#38100B

Closest named color: Deep Brown (#410200). oklch(23.9% 0.065 29.8), rgb(56, 16, 11).

Aa

White text reads best on this color (16.83:1).

About this color

#38100B is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.065 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.029 away. White text reads best on it, at 16.83:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamuted (0.065)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.24:1
White text16.83:1

Values

HEX#38100B
RGBrgb(56, 16, 11)
HSLhsl(7, 67%, 13%)
OKLCHoklch(23.9% 0.065 29.8)

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 #38100B 16.83:1 AAA Lc -105.8 Preferred for body text
Black text on #38100B 1.24:1 Fails Lc 0.0 Not readable
#38100B text on white 16.83:1 AAA Lc 103.4 Preferred for body text
#38100B text on black 1.24:1 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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F9E5E1

    oklch(93.7% 0.023 31.1)

  3. Step 200

    200

    #F4CFC9

    oklch(88.4% 0.043 28.8)

  4. Step 300

    300

    #EEAEA3

    oklch(80.8% 0.077 29.8)

  5. Step 400

    400

    #E38172

    oklch(70.6% 0.124 29.7)

  6. Step 500

    500

    #D85D4D

    oklch(63% 0.158 29.7)

  7. Step 600

    600

    #C33F30

    oklch(55.6% 0.171 29.9)

  8. Step 700

    700

    #A82F23

    oklch(49% 0.159 29.6)

  9. Step 800

    800

    #89291F

    oklch(42.8% 0.132 29.5)

  10. Step 900

    900

    #6E271E

    oklch(37.7% 0.103 29.9)

  11. Step 950

    950 (this color)

    #38100B

    oklch(23.9% 0.065 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#38100B 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)#1B180A0.068
Deuteranopia (no green cones)#25200A0.061
Tritanopia (no blue cones)#3E070F0.023
Achromatopsia (no color)#1D1D1D0.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #38100B

    #38100B

    oklch(23.9% 0.065 29.8)

  • #00242A

    #00242A

    oklch(23.9% 0.041 211)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #38100B

    #38100B

    oklch(23.9% 0.065 29.8)

  • #360F1E

    #360F1E

    oklch(23.9% 0.065 359.3)

  • #321700

    #321700

    oklch(23.9% 0.057 59)

Open the analogous palette in the generator

Split complementary

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

  • #38100B

    #38100B

    oklch(23.9% 0.065 29.8)

  • #002520

    #002520

    oklch(23.7% 0.043 181.8)

  • #002236

    #002236

    oklch(24% 0.054 239.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #38100B

    #38100B

    oklch(23.9% 0.065 29.8)

  • #01270D

    #01270D

    oklch(23.9% 0.064 149.9)

  • #131C3D

    #131C3D

    oklch(23.9% 0.064 269.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #38100B

    #38100B

    oklch(23.9% 0.065 29.8)

  • #1C2200

    #1C2200

    oklch(23.7% 0.056 118.9)

  • #00242A

    #00242A

    oklch(23.9% 0.041 211)

  • #241639

    #241639

    oklch(23.8% 0.066 299.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #38100B, closest first.

Similar named colors

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

Use #38100B 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.