#230D17

Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.04 352.8), rgb(35, 13, 23).

Aa

White text reads best on this color (18.39:1).

About this color

#230D17 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.040 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.058 away. White text reads best on it, at 18.39:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.040)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.39:1

Values

HEX#230D17
RGBrgb(35, 13, 23)
HSLhsl(333, 46%, 9%)
OKLCHoklch(19.7% 0.04 352.8)

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 #230D17 18.39:1 AAA Lc -107.0 Preferred for body text
Black text on #230D17 1.14:1 Fails Lc 0.0 Not readable
#230D17 text on white 18.39:1 AAA Lc 104.9 Preferred for body text
#230D17 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

    #DAB4C3

    oklch(80.8% 0.048 352.5)

  5. Step 400

    400

    #C78DA5

    oklch(70.7% 0.077 352.7)

  6. Step 500

    500

    #B7708F

    oklch(63.1% 0.098 352.6)

  7. Step 600

    600

    #A25779

    oklch(55.5% 0.107 352.5)

  8. Step 700

    700

    #8B4766

    oklch(49.1% 0.1 352.7)

  9. Step 800

    800

    #713B53

    oklch(42.8% 0.082 353)

  10. Step 900

    900

    #5B3345

    oklch(37.7% 0.063 352.1)

  11. Step 950

    950 (this color)

    #230D17

    oklch(19.7% 0.04 352.8)

Export this scale for Tailwind in the Tailwind colors tool

#230D17 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)#1012170.043
Deuteranopia (no green cones)#1516160.042
Tritanopia (no blue cones)#260C110.013
Achromatopsia (no color)#1414140.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #230D17

    #230D17

    oklch(19.7% 0.04 352.8)

  • #001B14

    #001B14

    oklch(19.8% 0.038 173.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230D17

    #230D17

    oklch(19.7% 0.04 352.8)

  • #1E0F20

    #1E0F20

    oklch(19.8% 0.04 322.7)

  • #250D0D

    #250D0D

    oklch(19.7% 0.041 21.5)

Open the analogous palette in the generator

Split complementary

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

  • #230D17

    #230D17

    oklch(19.7% 0.04 352.8)

  • #091A09

    #091A09

    oklch(19.7% 0.04 143.9)

  • #001A1C

    #001A1C

    oklch(19.8% 0.034 201.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230D17

    #230D17

    oklch(19.7% 0.04 352.8)

  • #161701

    #161701

    oklch(19.7% 0.041 111.8)

  • #001825

    #001825

    oklch(19.7% 0.041 234.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230D17

    #230D17

    oklch(19.7% 0.04 352.8)

  • #1E1300

    #1E1300

    oklch(19.6% 0.04 82.5)

  • #001B14

    #001B14

    oklch(19.8% 0.038 173.3)

  • #0B1528

    #0B1528

    oklch(19.8% 0.041 262.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230D17, closest first.

Similar named colors

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

Use #230D17 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.