#240A19

Closest named color: Very Dark Brown (#1D0200). oklch(19.4% 0.05 347), rgb(36, 10, 25).

Aa

White text reads best on this color (18.54:1).

About this color

#240A19 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.050 and its hue 347°. 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 18.54:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.050)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.13:1
White text18.54:1

Values

HEX#240A19
RGBrgb(36, 10, 25)
HSLhsl(325, 57%, 9%)
OKLCHoklch(19.4% 0.05 347)

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 #240A19 18.54:1 AAA Lc -107.1 Preferred for body text
Black text on #240A19 1.13:1 Fails Lc 0.0 Not readable
#240A19 text on white 18.54:1 AAA Lc 104.9 Preferred for body text
#240A19 text on black 1.13:1 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

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F3E5EC

    oklch(93.5% 0.018 345.6)

  3. Step 200

    200

    #EAD1DD

    oklch(88.5% 0.032 347.1)

  4. Step 300

    300

    #DEB2C8

    oklch(80.9% 0.058 346.9)

  5. Step 400

    400

    #CC88AC

    oklch(70.6% 0.095 346.8)

  6. Step 500

    500

    #BD6A97

    oklch(63.1% 0.119 347.3)

  7. Step 600

    600

    #A85082

    oklch(55.6% 0.13 347)

  8. Step 700

    700

    #90406E

    oklch(49.1% 0.121 346.9)

  9. Step 800

    800

    #75355A

    oklch(42.7% 0.101 346.5)

  10. Step 900

    900

    #5F2F4A

    oklch(37.8% 0.079 346.7)

  11. Step 950

    950 (this color)

    #240A19

    oklch(19.4% 0.05 347)

Export this scale for Tailwind in the Tailwind colors tool

#240A19 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)#0D10190.053
Deuteranopia (no green cones)#1415180.049
Tritanopia (no blue cones)#2709100.019
Achromatopsia (no color)#1313130.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #240A19

    #240A19

    oklch(19.4% 0.05 347)

  • #001A11

    #001A11

    oklch(19.3% 0.039 167.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240A19

    #240A19

    oklch(19.4% 0.05 347)

  • #1E0D23

    #1E0D23

    oklch(19.6% 0.049 318.2)

  • #270A0C

    #270A0C

    oklch(19.5% 0.049 18.7)

Open the analogous palette in the generator

Split complementary

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

  • #240A19

    #240A19

    oklch(19.4% 0.05 347)

  • #091A03

    #091A03

    oklch(19.6% 0.05 137.1)

  • #00191A

    #00191A

    oklch(19.4% 0.033 198.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240A19

    #240A19

    oklch(19.4% 0.05 347)

  • #171600

    #171600

    oklch(19.5% 0.042 107.6)

  • #001822

    #001822

    oklch(19.5% 0.038 227.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240A19

    #240A19

    oklch(19.4% 0.05 347)

  • #1F1200

    #1F1200

    oklch(19.5% 0.041 77.1)

  • #001A11

    #001A11

    oklch(19.3% 0.039 167.8)

  • #05152B

    #05152B

    oklch(19.6% 0.05 256.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240A19, closest first.

Similar named colors

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

Use #240A19 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.