#040300

Closest named color: Almost Black (#070D0D). oklch(9.7% 0.02 99.3), rgb(4, 3, 0).

Aa

White text reads best on this color (20.62:1).

About this color

#040300 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.060 away. White text reads best on it, at 20.62:1.

Hue familyNeutrals
Lightnessvery dark (10%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.01:1
White text20.62:1

Values

HEX#040300
RGBrgb(4, 3, 0)
HSLhsl(45, 100%, 1%)
OKLCHoklch(9.7% 0.02 99.3)

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 #040300 20.62:1 AAA Lc -107.9 Preferred for body text
Black text on #040300 1.01:1 Fails Lc 0.0 Not readable
#040300 text on white 20.62:1 AAA Lc 106.0 Preferred for body text
#040300 text on black 1.01:1 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

    #F6F5F3

    oklch(97% 0.003 84.6)

  2. Step 100

    100

    #EBEAE5

    oklch(93.6% 0.007 97.4)

  3. Step 200

    200

    #DBD9D0

    oklch(88.4% 0.012 96.4)

  4. Step 300

    300

    #C4C1B0

    oklch(80.9% 0.024 98.7)

  5. Step 400

    400

    #A6A187

    oklch(70.6% 0.037 98.2)

  6. Step 500

    500

    #908A69

    oklch(63% 0.047 99)

  7. Step 600

    600

    #7B7450

    oklch(55.6% 0.053 98.5)

  8. Step 700

    700

    #676141

    oklch(49% 0.048 98.8)

  9. Step 800

    800

    #545036

    oklch(42.8% 0.04 100.5)

  10. Step 900

    900

    #46422F

    oklch(37.7% 0.031 97.6)

  11. Step 950

    950 (this color)

    #040300

    oklch(9.7% 0.02 99.3)

Export this scale for Tailwind in the Tailwind colors tool

#040300 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)#0403000.000
Deuteranopia (no green cones)#0403000.000
Tritanopia (no blue cones)#0502020.021
Achromatopsia (no color)#0303030.020

Harmonies

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

Complementary

The opposite hue (180°).

  • #040300

    #040300

    oklch(9.7% 0.02 99.3)

  • #020308

    #020308

    oklch(9.9% 0.018 269.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #040300

    #040300

    oklch(9.7% 0.02 99.3)

  • #060200

    #060200

    oklch(9.5% 0.021 66.2)

  • #020401

    #020401

    oklch(9.9% 0.017 133.1)

Open the analogous palette in the generator

Split complementary

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

  • #040300

    #040300

    oklch(9.7% 0.02 99.3)

  • #010308

    #010308

    oklch(9.6% 0.02 256.7)

  • #040207

    #040207

    oklch(9.7% 0.021 305.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #040300

    #040300

    oklch(9.7% 0.02 99.3)

  • #000406

    #000406

    oklch(9.9% 0.018 218.8)

  • #060204

    #060204

    oklch(9.9% 0.017 345)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #040300

    #040300

    oklch(9.7% 0.02 99.3)

  • #000404

    #000404

    oklch(9.7% 0.016 194.8)

  • #020308

    #020308

    oklch(9.9% 0.018 269.9)

  • #070202

    #070202

    oklch(10% 0.017 20.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #040300, closest first.

Similar named colors

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

Use #040300 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.