#230004

Closest named color: Very Dark Brown (#1D0200). oklch(16.2% 0.065 17.9), rgb(35, 0, 4).

Aa

White text reads best on this color (19.56:1).

About this color

#230004 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.065 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.023 away. White text reads best on it, at 19.56:1.

Hue familyReds
Lightnessvery dark (16%)
Chromamuted (0.065)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.07:1
White text19.56:1

Values

HEX#230004
RGBrgb(35, 0, 4)
HSLhsl(353, 100%, 7%)
OKLCHoklch(16.2% 0.065 17.9)

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 #230004 19.56:1 AAA Lc -107.3 Preferred for body text
Black text on #230004 1.07:1 Fails Lc 0.0 Not readable
#230004 text on white 19.56:1 AAA Lc 105.2 Preferred for body text
#230004 text on black 1.07:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F4CECE

    oklch(88.4% 0.043 18)

  4. Step 300

    300

    #EEADAE

    oklch(80.9% 0.077 17.9)

  5. Step 400

    400

    #E37F83

    oklch(70.7% 0.123 18.2)

  6. Step 500

    500

    #D85B65

    oklch(63.2% 0.157 17.9)

  7. Step 600

    600

    #C33B4C

    oklch(55.6% 0.172 17.8)

  8. Step 700

    700

    #A82C3D

    oklch(49.1% 0.159 17.9)

  9. Step 800

    800

    #882733

    oklch(42.7% 0.131 17.7)

  10. Step 900

    900

    #6E252C

    oklch(37.7% 0.104 18)

  11. Step 950

    950 (this color)

    #230004

    oklch(16.2% 0.065 17.9)

Export this scale for Tailwind in the Tailwind colors tool

#230004 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)#0807040.072
Deuteranopia (no green cones)#120F030.066
Tritanopia (no blue cones)#2800010.017
Achromatopsia (no color)#0C0C0C0.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #230004

    #230004

    oklch(16.2% 0.065 17.9)

  • #001112

    #001112

    oklch(16.1% 0.027 199.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230004

    #230004

    oklch(16.2% 0.065 17.9)

  • #200113

    #200113

    oklch(16.4% 0.065 347.8)

  • #1C0700

    #1C0700

    oklch(16.3% 0.043 49.2)

Open the analogous palette in the generator

Split complementary

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

  • #230004

    #230004

    oklch(16.2% 0.065 17.9)

  • #00120B

    #00120B

    oklch(16.2% 0.033 168.4)

  • #001018

    #001018

    oklch(16.1% 0.031 227.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230004

    #230004

    oklch(16.2% 0.065 17.9)

  • #031200

    #031200

    oklch(16.1% 0.05 137.9)

  • #000C27

    #000C27

    oklch(16.2% 0.061 258.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230004

    #230004

    oklch(16.2% 0.065 17.9)

  • #0F0F00

    #0F0F00

    oklch(16.3% 0.036 109.8)

  • #001112

    #001112

    oklch(16.1% 0.027 199.2)

  • #0E0627

    #0E0627

    oklch(16.1% 0.065 288.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230004, closest first.

Similar named colors

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

Use #230004 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.