#240C18

Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.045 350.7), rgb(36, 12, 24).

Aa

White text reads best on this color (18.40:1).

About this color

#240C18 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.045 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.060 away. White text reads best on it, at 18.40:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.40:1

Values

HEX#240C18
RGBrgb(36, 12, 24)
HSLhsl(330, 50%, 9%)
OKLCHoklch(19.7% 0.045 350.7)

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 #240C18 18.40:1 AAA Lc -107.0 Preferred for body text
Black text on #240C18 1.14:1 Fails Lc 0.0 Not readable
#240C18 text on white 18.40:1 AAA Lc 104.9 Preferred for body text
#240C18 text on black 1.14:1 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

    #F3E6EB

    oklch(93.7% 0.016 352)

  3. Step 200

    200

    #E9D2DB

    oklch(88.5% 0.028 352)

  4. Step 300

    300

    #DCB3C5

    oklch(80.8% 0.053 350.1)

  5. Step 400

    400

    #CA8BA7

    oklch(70.8% 0.085 351.2)

  6. Step 500

    500

    #BA6D92

    oklch(63.1% 0.108 350.4)

  7. Step 600

    600

    #A5547C

    oklch(55.6% 0.117 350.6)

  8. Step 700

    700

    #8E4469

    oklch(49.2% 0.11 350.6)

  9. Step 800

    800

    #733855

    oklch(42.6% 0.091 350.8)

  10. Step 900

    900

    #5D3146

    oklch(37.7% 0.07 351)

  11. Step 950

    950 (this color)

    #240C18

    oklch(19.7% 0.045 350.7)

Export this scale for Tailwind in the Tailwind colors tool

#240C18 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)#0F11180.048
Deuteranopia (no green cones)#1516170.045
Tritanopia (no blue cones)#270B110.015
Achromatopsia (no color)#1414140.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #240C18

    #240C18

    oklch(19.7% 0.045 350.7)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240C18

    #240C18

    oklch(19.7% 0.045 350.7)

  • #1E0E22

    #1E0E22

    oklch(19.7% 0.045 319.4)

  • #260C0D

    #260C0D

    oklch(19.7% 0.044 19.6)

Open the analogous palette in the generator

Split complementary

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

  • #240C18

    #240C18

    oklch(19.7% 0.045 350.7)

  • #091A06

    #091A06

    oklch(19.7% 0.045 140.2)

  • #001A1C

    #001A1C

    oklch(19.8% 0.034 201.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240C18

    #240C18

    oklch(19.7% 0.045 350.7)

  • #171700

    #171700

    oklch(19.8% 0.043 109.8)

  • #001824

    #001824

    oklch(19.6% 0.04 231.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240C18

    #240C18

    oklch(19.7% 0.045 350.7)

  • #1F1300

    #1F1300

    oklch(19.8% 0.041 80.2)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

  • #091529

    #091529

    oklch(19.7% 0.044 260)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240C18, closest first.

Similar named colors

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

Use #240C18 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.