#230D18

Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.041 350.2), rgb(35, 13, 24).

Aa

White text reads best on this color (18.38:1).

About this color

#230D18 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.041 and its hue 350°. 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 18.38:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.041)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.38:1

Values

HEX#230D18
RGBrgb(35, 13, 24)
HSLhsl(330, 46%, 9%)
OKLCHoklch(19.8% 0.041 350.2)

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 #230D18 18.38:1 AAA Lc -107.0 Preferred for body text
Black text on #230D18 1.14:1 Fails Lc 0.0 Not readable
#230D18 text on white 18.38:1 AAA Lc 104.9 Preferred for body text
#230D18 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

    #F2E6EB

    oklch(93.6% 0.015 350.1)

  3. Step 200

    200

    #E8D2DB

    oklch(88.4% 0.027 350.9)

  4. Step 300

    300

    #DAB4C5

    oklch(80.8% 0.049 349.6)

  5. Step 400

    400

    #C68DA7

    oklch(70.7% 0.077 350.3)

  6. Step 500

    500

    #B77092

    oklch(63.2% 0.099 350.2)

  7. Step 600

    600

    #A2577C

    oklch(55.6% 0.108 350.3)

  8. Step 700

    700

    #8A4768

    oklch(49.1% 0.1 350.5)

  9. Step 800

    800

    #703A55

    oklch(42.5% 0.084 349.9)

  10. Step 900

    900

    #5B3246

    oklch(37.6% 0.065 350.1)

  11. Step 950

    950 (this color)

    #230D18

    oklch(19.8% 0.041 350.2)

Export this scale for Tailwind in the Tailwind colors tool

#230D18 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)#0F12180.045
Deuteranopia (no green cones)#1516170.042
Tritanopia (no blue cones)#260C110.015
Achromatopsia (no color)#1414140.042

Harmonies

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

Complementary

The opposite hue (180°).

  • #230D18

    #230D18

    oklch(19.8% 0.041 350.2)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230D18

    #230D18

    oklch(19.8% 0.041 350.2)

  • #1E0F21

    #1E0F21

    oklch(19.9% 0.041 320.8)

  • #250D0E

    #250D0E

    oklch(19.7% 0.041 18.9)

Open the analogous palette in the generator

Split complementary

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

  • #230D18

    #230D18

    oklch(19.8% 0.041 350.2)

  • #0B1A08

    #0B1A08

    oklch(19.8% 0.04 140.2)

  • #001A1C

    #001A1C

    oklch(19.8% 0.034 201.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230D18

    #230D18

    oklch(19.8% 0.041 350.2)

  • #171701

    #171701

    oklch(19.8% 0.041 109.6)

  • #001824

    #001824

    oklch(19.6% 0.04 231.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230D18

    #230D18

    oklch(19.8% 0.041 350.2)

  • #1F1300

    #1F1300

    oklch(19.8% 0.041 80.2)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

  • #0A1528

    #0A1528

    oklch(19.7% 0.042 260.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230D18, closest first.

Similar named colors

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

Use #230D18 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.