#230300

Closest named color: Very Dark Brown (#1D0200). oklch(16.8% 0.059 34.8), rgb(35, 3, 0).

Aa

White text reads best on this color (19.36:1).

About this color

#230300 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.059 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.018 away. White text reads best on it, at 19.36:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.059)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.36:1

Values

HEX#230300
RGBrgb(35, 3, 0)
HSLhsl(5, 100%, 7%)
OKLCHoklch(16.8% 0.059 34.8)

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 #230300 19.36:1 AAA Lc -107.3 Preferred for body text
Black text on #230300 1.08:1 Fails Lc 0.0 Not readable
#230300 text on white 19.36:1 AAA Lc 105.2 Preferred for body text
#230300 text on black 1.08:1 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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F7E5E1

    oklch(93.5% 0.021 32.5)

  3. Step 200

    200

    #F2D1C8

    oklch(88.6% 0.039 35.7)

  4. Step 300

    300

    #EAB1A2

    oklch(80.9% 0.07 35.2)

  5. Step 400

    400

    #DD8670

    oklch(70.7% 0.112 35)

  6. Step 500

    500

    #D1654A

    oklch(63.1% 0.143 35.2)

  7. Step 600

    600

    #BD482C

    oklch(55.6% 0.157 34.7)

  8. Step 700

    700

    #A2391F

    oklch(49.1% 0.144 34.9)

  9. Step 800

    800

    #84301C

    oklch(42.7% 0.12 34.7)

  10. Step 900

    900

    #6A2C1C

    oklch(37.7% 0.093 35.6)

  11. Step 950

    950 (this color)

    #230300

    oklch(16.8% 0.059 34.8)

Export this scale for Tailwind in the Tailwind colors tool

#230300 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)#0C09000.061
Deuteranopia (no green cones)#1410000.054
Tritanopia (no blue cones)#2800020.017
Achromatopsia (no color)#0E0E0E0.059

Harmonies

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

Complementary

The opposite hue (180°).

  • #230300

    #230300

    oklch(16.8% 0.059 34.8)

  • #001217

    #001217

    oklch(16.8% 0.03 215.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230300

    #230300

    oklch(16.8% 0.059 34.8)

  • #22020C

    #22020C

    oklch(16.8% 0.06 3.8)

  • #1A0B00

    #1A0B00

    oklch(16.9% 0.038 65.1)

Open the analogous palette in the generator

Split complementary

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

  • #230300

    #230300

    oklch(16.8% 0.059 34.8)

  • #001311

    #001311

    oklch(16.8% 0.029 186.6)

  • #001020

    #001020

    oklch(16.8% 0.043 245.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230300

    #230300

    oklch(16.8% 0.059 34.8)

  • #001407

    #001407

    oklch(16.8% 0.041 155.2)

  • #090B28

    #090B28

    oklch(16.9% 0.059 275.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230300

    #230300

    oklch(16.8% 0.059 34.8)

  • #0B1200

    #0B1200

    oklch(16.9% 0.042 124.8)

  • #001217

    #001217

    oklch(16.8% 0.03 215.5)

  • #150623

    #150623

    oklch(16.7% 0.06 305)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230300, closest first.

Similar named colors

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

Use #230300 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.