#230B13

Closest named color: Very Dark Brown (#1D0200). oklch(19.2% 0.042 0.9), rgb(35, 11, 19).

Aa

White text reads best on this color (18.60:1).

About this color

#230B13 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.042 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.050 away. White text reads best on it, at 18.60:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.042)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.60:1

Values

HEX#230B13
RGBrgb(35, 11, 19)
HSLhsl(340, 52%, 9%)
OKLCHoklch(19.2% 0.042 0.9)

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 #230B13 18.60:1 AAA Lc -107.1 Preferred for body text
Black text on #230B13 1.12:1 Fails Lc 0.0 Not readable
#230B13 text on white 18.60:1 AAA Lc 105.0 Preferred for body text
#230B13 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

    #FAF4F5

    oklch(97.2% 0.007 5.6)

  2. Step 100

    100

    #F3E6E9

    oklch(93.6% 0.015 1.6)

  3. Step 200

    200

    #EAD2D8

    oklch(88.5% 0.028 0.7)

  4. Step 300

    300

    #DDB4BF

    oklch(80.9% 0.049 0.4)

  5. Step 400

    400

    #CB8C9E

    oklch(70.8% 0.08 0.7)

  6. Step 500

    500

    #BC6E86

    oklch(63.1% 0.103 0.7)

  7. Step 600

    600

    #A75570

    oklch(55.6% 0.111 0.4)

  8. Step 700

    700

    #8F455D

    oklch(49.1% 0.103 1.1)

  9. Step 800

    800

    #74394C

    oklch(42.6% 0.086 0.9)

  10. Step 900

    900

    #5E323F

    oklch(37.7% 0.066 1.8)

  11. Step 950

    950 (this color)

    #230B13

    oklch(19.2% 0.042 0.9)

Export this scale for Tailwind in the Tailwind colors tool

#230B13 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)#0F10130.047
Deuteranopia (no green cones)#1515120.045
Tritanopia (no blue cones)#26090E0.011
Achromatopsia (no color)#1313130.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #230B13

    #230B13

    oklch(19.2% 0.042 0.9)

  • #001915

    #001915

    oklch(19.1% 0.034 181.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230B13

    #230B13

    oklch(19.2% 0.042 0.9)

  • #1F0C1D

    #1F0C1D

    oklch(19.1% 0.044 331.1)

  • #240C08

    #240C08

    oklch(19.2% 0.042 31.3)

Open the analogous palette in the generator

Split complementary

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

  • #230B13

    #230B13

    oklch(19.2% 0.042 0.9)

  • #04190A

    #04190A

    oklch(19.1% 0.041 151.4)

  • #00181C

    #00181C

    oklch(19.1% 0.033 209.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230B13

    #230B13

    oklch(19.2% 0.042 0.9)

  • #111701

    #111701

    oklch(19.2% 0.044 121.9)

  • #011625

    #011625

    oklch(19.1% 0.042 240.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230B13

    #230B13

    oklch(19.2% 0.042 0.9)

  • #1B1300

    #1B1300

    oklch(19.2% 0.039 89.7)

  • #001915

    #001915

    oklch(19.1% 0.034 181.2)

  • #0D1327

    #0D1327

    oklch(19.3% 0.042 269.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230B13, closest first.

Similar named colors

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

Use #230B13 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.