#004303

Closest named color: Racing Green (#014600). oklch(33.2% 0.111 143.1), rgb(0, 67, 3).

Aa

White text reads best on this color (11.63:1).

About this color

#004303 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.111 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Racing Green (#014600), ΔE 0.011 away. White text reads best on it, at 11.63:1.

Hue familyGreens
Lightnessdark (33%)
Chromamoderately saturated (0.111)
Temperaturein between
Nearest nameRacing Green (#014600)
Black text1.80:1
White text11.63:1

Values

HEX#004303
RGBrgb(0, 67, 3)
HSLhsl(123, 100%, 13%)
OKLCHoklch(33.2% 0.111 143.1)

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 #004303 11.63:1 AAA Lc -99.9 Preferred for body text
Black text on #004303 1.80:1 Fails Lc 7.7 Not readable
#004303 text on white 11.63:1 AAA Lc 96.2 Preferred for body text
#004303 text on black 1.80:1 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 900.

  1. Step 50

    50

    #F1F7F1

    oklch(97% 0.01 145.5)

  2. Step 100

    100

    #E1EEE0

    oklch(93.6% 0.023 143.4)

  3. Step 200

    200

    #C8E2C6

    oklch(88.6% 0.047 143.2)

  4. Step 300

    300

    #A1CF9E

    oklch(80.9% 0.083 143.2)

  5. Step 400

    400

    #6BB668

    oklch(70.8% 0.133 143.2)

  6. Step 500

    500

    #3CA23B

    oklch(63.1% 0.17 143.1)

  7. Step 600

    600

    #038C0F

    oklch(55.5% 0.184 143.1)

  8. Step 700

    700

    #00760A

    oklch(49.1% 0.164 143.1)

  9. Step 800

    800

    #016107

    oklch(42.7% 0.142 143.1)

  10. Step 900

    900 (this color)

    #004303

    oklch(33.2% 0.111 143.1)

  11. Step 950

    950

    #0D2F0D

    oklch(27.1% 0.07 143.3)

Export this scale for Tailwind in the Tailwind colors tool

#004303 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)#453B000.081
Deuteranopia (no green cones)#3E370B0.078
Tritanopia (no blue cones)#0041380.072
Achromatopsia (no color)#3838380.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #004303

    #004303

    oklch(33.2% 0.111 143.1)

  • #501D56

    #501D56

    oklch(33.3% 0.11 323.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #004303

    #004303

    oklch(33.2% 0.111 143.1)

  • #363900

    #363900

    oklch(33% 0.074 113)

  • #004033

    #004033

    oklch(33.1% 0.063 173.7)

Open the analogous palette in the generator

Split complementary

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

  • #004303

    #004303

    oklch(33.2% 0.111 143.1)

  • #3A2668

    #3A2668

    oklch(33.1% 0.111 293.4)

  • #5D153B

    #5D153B

    oklch(33.1% 0.111 352.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #004303

    #004303

    oklch(33.2% 0.111 143.1)

  • #15316E

    #15316E

    oklch(33.1% 0.112 263.1)

  • #631419

    #631419

    oklch(33.2% 0.111 22.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #004303

    #004303

    oklch(33.2% 0.111 143.1)

  • #003B53

    #003B53

    oklch(33.1% 0.068 233)

  • #501D56

    #501D56

    oklch(33.3% 0.11 323.3)

  • #562700

    #562700

    oklch(33.2% 0.084 53.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #004303, closest first.

Similar named colors

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

Use #004303 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.