#15040B

Closest named color: Very Dark Brown (#1D0200). oklch(14.4% 0.036 353.7), rgb(21, 4, 11).

Aa

White text reads best on this color (19.92:1).

About this color

#15040B is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.036 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.036 away. White text reads best on it, at 19.92:1.

Hue familyReds
Lightnessvery dark (14%)
Chromamuted (0.036)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.05:1
White text19.92:1

Values

HEX#15040B
RGBrgb(21, 4, 11)
HSLhsl(335, 68%, 5%)
OKLCHoklch(14.4% 0.036 353.7)

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 #15040B 19.92:1 AAA Lc -107.7 Preferred for body text
Black text on #15040B 1.05:1 Fails Lc 0.0 Not readable
#15040B text on white 19.92:1 AAA Lc 105.8 Preferred for body text
#15040B text on black 1.05:1 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

    #F9F4F6

    oklch(97.2% 0.006 350.8)

  2. Step 100

    100

    #F1E7EA

    oklch(93.7% 0.012 357)

  3. Step 200

    200

    #E7D3DA

    oklch(88.5% 0.024 354.3)

  4. Step 300

    300

    #D8B6C3

    oklch(81% 0.043 353.1)

  5. Step 400

    400

    #C48FA4

    oklch(70.7% 0.07 353.5)

  6. Step 500

    500

    #B4738D

    oklch(63.2% 0.088 354.3)

  7. Step 600

    600

    #9F5A77

    oklch(55.6% 0.097 354.1)

  8. Step 700

    700

    #874A64

    oklch(49% 0.089 353.9)

  9. Step 800

    800

    #6E3D52

    oklch(42.7% 0.074 353.5)

  10. Step 900

    900

    #593444

    oklch(37.6% 0.058 352.8)

  11. Step 950

    950 (this color)

    #15040B

    oklch(14.4% 0.036 353.7)

Export this scale for Tailwind in the Tailwind colors tool

#15040B 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)#06070B0.039
Deuteranopia (no green cones)#0A0A0B0.036
Tritanopia (no blue cones)#1703060.012
Achromatopsia (no color)#0909090.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #15040B

    #15040B

    oklch(14.4% 0.036 353.7)

  • #000E09

    #000E09

    oklch(14.6% 0.028 172.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15040B

    #15040B

    oklch(14.4% 0.036 353.7)

  • #110512

    #110512

    oklch(14.4% 0.036 324.6)

  • #160404

    #160404

    oklch(14.3% 0.036 22.7)

Open the analogous palette in the generator

Split complementary

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

  • #15040B

    #15040B

    oklch(14.4% 0.036 353.7)

  • #020E02

    #020E02

    oklch(14.5% 0.038 143.3)

  • #000D0F

    #000D0F

    oklch(14.5% 0.025 204.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15040B

    #15040B

    oklch(14.4% 0.036 353.7)

  • #0A0B00

    #0A0B00

    oklch(14.4% 0.032 112.8)

  • #000C14

    #000C14

    oklch(14.5% 0.029 231.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15040B

    #15040B

    oklch(14.4% 0.036 353.7)

  • #100900

    #100900

    oklch(14.6% 0.03 84.6)

  • #000E09

    #000E09

    oklch(14.6% 0.028 172.3)

  • #040919

    #040919

    oklch(14.4% 0.036 265.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15040B, closest first.

Similar named colors

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

Use #15040B 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.