#230308

Closest named color: Very Dark Brown (#1D0200). oklch(17.1% 0.057 13.9), rgb(35, 3, 8).

Aa

White text reads best on this color (19.30:1).

About this color

#230308 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.057 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.028 away. White text reads best on it, at 19.30:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.057)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.30:1

Values

HEX#230308
RGBrgb(35, 3, 8)
HSLhsl(351, 84%, 7%)
OKLCHoklch(17.1% 0.057 13.9)

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 #230308 19.30:1 AAA Lc -107.3 Preferred for body text
Black text on #230308 1.08:1 Fails Lc 0.0 Not readable
#230308 text on white 19.30:1 AAA Lc 105.2 Preferred for body text
#230308 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F7E5E6

    oklch(93.7% 0.02 13.6)

  3. Step 200

    200

    #F1D0D2

    oklch(88.6% 0.037 13.7)

  4. Step 300

    300

    #E9AFB3

    oklch(80.8% 0.068 14.1)

  5. Step 400

    400

    #DB838C

    oklch(70.6% 0.109 13.6)

  6. Step 500

    500

    #CF6270

    oklch(63.1% 0.138 13.9)

  7. Step 600

    600

    #BA4658

    oklch(55.6% 0.15 14.1)

  8. Step 700

    700

    #A03648

    oklch(49.1% 0.14 13.9)

  9. Step 800

    800

    #822E3B

    oklch(42.7% 0.116 14.2)

  10. Step 900

    900

    #692A33

    oklch(37.7% 0.091 13.7)

  11. Step 950

    950 (this color)

    #230308

    oklch(17.1% 0.057 13.9)

Export this scale for Tailwind in the Tailwind colors tool

#230308 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)#0A09080.063
Deuteranopia (no green cones)#1311070.059
Tritanopia (no blue cones)#2700050.013
Achromatopsia (no color)#0E0E0E0.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #230308

    #230308

    oklch(17.1% 0.057 13.9)

  • #001413

    #001413

    oklch(17.3% 0.03 190.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #230308

    #230308

    oklch(17.1% 0.057 13.9)

  • #1F0416

    #1F0416

    oklch(17.1% 0.057 342.8)

  • #200700

    #200700

    oklch(17.1% 0.049 45.1)

Open the analogous palette in the generator

Split complementary

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

  • #230308

    #230308

    oklch(17.1% 0.057 13.9)

  • #00140B

    #00140B

    oklch(16.9% 0.036 164.2)

  • #00121A

    #00121A

    oklch(17% 0.032 225.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #230308

    #230308

    oklch(17.1% 0.057 13.9)

  • #061400

    #061400

    oklch(17.1% 0.05 134.5)

  • #000F26

    #000F26

    oklch(17% 0.054 254.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #230308

    #230308

    oklch(17.1% 0.057 13.9)

  • #121000

    #121000

    oklch(17% 0.036 104.4)

  • #001413

    #001413

    oklch(17.3% 0.03 190.8)

  • #0E0A27

    #0E0A27

    oklch(17.1% 0.057 284.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #230308, closest first.

Similar named colors

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

Use #230308 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.