#240B09

Closest named color: Very Dark Brown (#1D0200). oklch(19% 0.043 26.6), rgb(36, 11, 9).

Aa

White text reads best on this color (18.63:1).

About this color

#240B09 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.043 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.041 away. White text reads best on it, at 18.63:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.63:1

Values

HEX#240B09
RGBrgb(36, 11, 9)
HSLhsl(4, 60%, 9%)
OKLCHoklch(19% 0.043 26.6)

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 #240B09 18.63:1 AAA Lc -107.1 Preferred for body text
Black text on #240B09 1.12:1 Fails Lc 0.0 Not readable
#240B09 text on white 18.63:1 AAA Lc 105.0 Preferred for body text
#240B09 text on black 1.12:1 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

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F4E6E5

    oklch(93.6% 0.015 22.4)

  3. Step 200

    200

    #ECD2CF

    oklch(88.4% 0.029 25.6)

  4. Step 300

    300

    #E0B5AF

    oklch(81% 0.051 27.5)

  5. Step 400

    400

    #CF8D85

    oklch(70.7% 0.082 27)

  6. Step 500

    500

    #C16F67

    oklch(63.1% 0.105 26.4)

  7. Step 600

    600

    #AC564E

    oklch(55.6% 0.114 26.8)

  8. Step 700

    700

    #93463F

    oklch(49% 0.105 26.9)

  9. Step 800

    800

    #783A34

    oklch(42.7% 0.088 27.1)

  10. Step 900

    900

    #61322E

    oklch(37.7% 0.069 25.9)

  11. Step 950

    950 (this color)

    #240B09

    oklch(19% 0.043 26.6)

Export this scale for Tailwind in the Tailwind colors tool

#240B09 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)#110F090.045
Deuteranopia (no green cones)#1715090.043
Tritanopia (no blue cones)#28070B0.015
Achromatopsia (no color)#1313130.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #240B09

    #240B09

    oklch(19% 0.043 26.6)

  • #00181B

    #00181B

    oklch(19.1% 0.033 205.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240B09

    #240B09

    oklch(19% 0.043 26.6)

  • #220B14

    #220B14

    oklch(19% 0.041 357.1)

  • #220E01

    #220E01

    oklch(19.1% 0.043 57)

Open the analogous palette in the generator

Split complementary

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

  • #240B09

    #240B09

    oklch(19% 0.043 26.6)

  • #001913

    #001913

    oklch(19.1% 0.036 175.1)

  • #001624

    #001624

    oklch(19% 0.042 237.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240B09

    #240B09

    oklch(19% 0.043 26.6)

  • #051908

    #051908

    oklch(19.1% 0.043 147.4)

  • #0B1327

    #0B1327

    oklch(19.1% 0.042 266.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240B09

    #240B09

    oklch(19% 0.043 26.6)

  • #131600

    #131600

    oklch(19% 0.044 116)

  • #00181B

    #00181B

    oklch(19.1% 0.033 205.6)

  • #160F25

    #160F25

    oklch(19% 0.044 296.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240B09, closest first.

Similar named colors

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

Use #240B09 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.