#04030C

Closest named color: Almost Black (#070D0D). oklch(10.8% 0.026 288.6), rgb(4, 3, 12).

Aa

White text reads best on this color (20.51:1).

About this color

#04030C is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 20.51:1.

Hue familyNeutrals
Lightnessvery dark (11%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.02:1
White text20.51:1

Values

HEX#04030C
RGBrgb(4, 3, 12)
HSLhsl(247, 60%, 3%)
OKLCHoklch(10.8% 0.026 288.6)

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 #04030C 20.51:1 AAA Lc -107.9 Preferred for body text
Black text on #04030C 1.02:1 Fails Lc 0.0 Not readable
#04030C text on white 20.51:1 AAA Lc 106.0 Preferred for body text
#04030C text on black 1.02:1 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

    #F5F5F8

    oklch(97.1% 0.004 286.3)

  2. Step 100

    100

    #E9E9F0

    oklch(93.6% 0.009 286.2)

  3. Step 200

    200

    #D8D7E4

    oklch(88.4% 0.018 289.6)

  4. Step 300

    300

    #BFBED4

    oklch(80.9% 0.031 287.8)

  5. Step 400

    400

    #9F9CBE

    oklch(70.7% 0.049 289.1)

  6. Step 500

    500

    #8784AE

    oklch(63.1% 0.063 287.7)

  7. Step 600

    600

    #716D9A

    oklch(55.6% 0.069 288)

  8. Step 700

    700

    #5F5B83

    oklch(49.1% 0.063 288.4)

  9. Step 800

    800

    #4E4A6B

    oklch(42.7% 0.054 289.4)

  10. Step 900

    900

    #403E56

    oklch(37.6% 0.041 288.1)

  11. Step 950

    950 (this color)

    #04030C

    oklch(10.8% 0.026 288.6)

Export this scale for Tailwind in the Tailwind colors tool

#04030C 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)#01040C0.014
Deuteranopia (no green cones)#01040C0.014
Tritanopia (no blue cones)#0304060.020
Achromatopsia (no color)#0404040.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #04030C

    #04030C

    oklch(10.8% 0.026 288.6)

  • #050400

    #050400

    oklch(10.6% 0.022 101.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #04030C

    #04030C

    oklch(10.8% 0.026 288.6)

  • #01040D

    #01040D

    oklch(10.7% 0.027 258.2)

  • #070209

    #070209

    oklch(10.6% 0.028 318.8)

Open the analogous palette in the generator

Split complementary

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

  • #04030C

    #04030C

    oklch(10.8% 0.026 288.6)

  • #070300

    #070300

    oklch(10.4% 0.022 75.9)

  • #010601

    #010601

    oklch(10.9% 0.027 143.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #04030C

    #04030C

    oklch(10.8% 0.026 288.6)

  • #0A0200

    #0A0200

    oklch(10.5% 0.027 51.2)

  • #000603

    #000603

    oklch(10.8% 0.023 165.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #04030C

    #04030C

    oklch(10.8% 0.026 288.6)

  • #0B0202

    #0B0202

    oklch(10.9% 0.025 22.1)

  • #050400

    #050400

    oklch(10.6% 0.022 101.8)

  • #000506

    #000506

    oklch(10.5% 0.018 205.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #04030C, closest first.

Similar named colors

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

Use #04030C 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.