#230B15

Closest named color: Very Dark Brown (#1D0200). oklch(19.2% 0.043 355.7), rgb(35, 11, 21).

Aa

White text reads best on this color (18.58:1).

About this color

#230B15 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.043 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.053 away. White text reads best on it, at 18.58:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.13:1
White text18.58:1

Values

HEX#230B15
RGBrgb(35, 11, 21)
HSLhsl(335, 52%, 9%)
OKLCHoklch(19.2% 0.043 355.7)

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 #230B15 18.58:1 AAA Lc -107.1 Preferred for body text
Black text on #230B15 1.13:1 Fails Lc 0.0 Not readable
#230B15 text on white 18.58:1 AAA Lc 105.0 Preferred for body text
#230B15 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

    #FAF4F5

    oklch(97.2% 0.007 5.6)

  2. Step 100

    100

    #F3E6EA

    oklch(93.6% 0.015 356.6)

  3. Step 200

    200

    #EAD2DA

    oklch(88.6% 0.029 355.5)

  4. Step 300

    300

    #DDB3C2

    oklch(80.8% 0.052 354.9)

  5. Step 400

    400

    #CA8BA2

    oklch(70.6% 0.082 355.8)

  6. Step 500

    500

    #BB6D8C

    oklch(63% 0.106 355.2)

  7. Step 600

    600

    #A65476

    oklch(55.5% 0.114 355.3)

  8. Step 700

    700

    #8E4463

    oklch(49% 0.106 355.3)

  9. Step 800

    800

    #743951

    oklch(42.8% 0.088 355.7)

  10. Step 900

    900

    #5E3143

    oklch(37.7% 0.069 355.5)

  11. Step 950

    950 (this color)

    #230B15

    oklch(19.2% 0.043 355.7)

Export this scale for Tailwind in the Tailwind colors tool

#230B15 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)#0E10150.048
Deuteranopia (no green cones)#1515140.044
Tritanopia (no blue cones)#260A0F0.013
Achromatopsia (no color)#1313130.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #230B15

    #230B15

    oklch(19.2% 0.043 355.7)

  • #001914

    #001914

    oklch(19.1% 0.035 178.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230B15

    #230B15

    oklch(19.2% 0.043 355.7)

  • #1E0D1F

    #1E0D1F

    oklch(19.3% 0.043 325.1)

  • #250B0A

    #250B0A

    oklch(19.2% 0.045 24.4)

Open the analogous palette in the generator

Split complementary

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

  • #230B15

    #230B15

    oklch(19.2% 0.043 355.7)

  • #061908

    #061908

    oklch(19.1% 0.042 146.2)

  • #00181B

    #00181B

    oklch(19.1% 0.033 205.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230B15

    #230B15

    oklch(19.2% 0.043 355.7)

  • #141600

    #141600

    oklch(19.1% 0.043 114)

  • #001724

    #001724

    oklch(19.3% 0.041 234.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230B15

    #230B15

    oklch(19.2% 0.043 355.7)

  • #1C1300

    #1C1300

    oklch(19.3% 0.039 87.2)

  • #001914

    #001914

    oklch(19.1% 0.035 178.1)

  • #0B1328

    #0B1328

    oklch(19.2% 0.044 266.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230B15, closest first.

Similar named colors

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

Use #230B15 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.