#230604

Closest named color: Very Dark Brown (#1D0200). oklch(17.7% 0.051 29.1), rgb(35, 6, 4).

Aa

White text reads best on this color (19.10:1).

About this color

#230604 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.051 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.026 away. White text reads best on it, at 19.10:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.051)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.10:1

Values

HEX#230604
RGBrgb(35, 6, 4)
HSLhsl(4, 79%, 8%)
OKLCHoklch(17.7% 0.051 29.1)

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 #230604 19.10:1 AAA Lc -107.3 Preferred for body text
Black text on #230604 1.09:1 Fails Lc 0.0 Not readable
#230604 text on white 19.10:1 AAA Lc 105.2 Preferred for body text
#230604 text on black 1.09:1 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

    #FBF3F2

    oklch(97% 0.009 26)

  2. Step 100

    100

    #F5E6E3

    oklch(93.6% 0.017 31.1)

  3. Step 200

    200

    #EFD1CC

    oklch(88.4% 0.034 29)

  4. Step 300

    300

    #E5B2AA

    oklch(80.8% 0.061 28.7)

  5. Step 400

    400

    #D6897D

    oklch(70.6% 0.097 29.3)

  6. Step 500

    500

    #CA6A5D

    oklch(63.2% 0.124 29)

  7. Step 600

    600

    #B54F43

    oklch(55.6% 0.135 28.9)

  8. Step 700

    700

    #9B3F34

    oklch(49% 0.126 29.2)

  9. Step 800

    800

    #7E352C

    oklch(42.7% 0.104 29.2)

  10. Step 900

    900

    #662F28

    oklch(37.8% 0.081 28.9)

  11. Step 950

    950 (this color)

    #230604

    oklch(17.7% 0.051 29.1)

Export this scale for Tailwind in the Tailwind colors tool

#230604 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)#0E0B040.053
Deuteranopia (no green cones)#1512030.050
Tritanopia (no blue cones)#2702060.017
Achromatopsia (no color)#0F0F0F0.052

Harmonies

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

Complementary

The opposite hue (180°).

  • #230604

    #230604

    oklch(17.7% 0.051 29.1)

  • #001418

    #001418

    oklch(17.5% 0.03 210.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230604

    #230604

    oklch(17.7% 0.051 29.1)

  • #220510

    #220510

    oklch(17.6% 0.053 359.5)

  • #1E0B00

    #1E0B00

    oklch(17.6% 0.042 57.8)

Open the analogous palette in the generator

Split complementary

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

  • #230604

    #230604

    oklch(17.7% 0.051 29.1)

  • #001511

    #001511

    oklch(17.5% 0.032 179.8)

  • #001320

    #001320

    oklch(17.7% 0.039 237.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230604

    #230604

    oklch(17.7% 0.051 29.1)

  • #001605

    #001605

    oklch(17.5% 0.048 150)

  • #080F27

    #080F27

    oklch(17.8% 0.05 268.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230604

    #230604

    oklch(17.7% 0.051 29.1)

  • #0F1300

    #0F1300

    oklch(17.6% 0.041 118.7)

  • #001418

    #001418

    oklch(17.5% 0.03 210.7)

  • #140A24

    #140A24

    oklch(17.6% 0.052 298.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230604, closest first.

Similar named colors

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

Use #230604 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.