#001503

Closest named color: Almost Black (#070D0D). oklch(17.1% 0.05 147.2), rgb(0, 21, 3).

Aa

White text reads best on this color (18.94:1).

About this color

#001503 is a very dark, muted green. In OKLCH its lightness is 17%, its chroma 0.050 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.048 away. White text reads best on it, at 18.94:1.

Hue familyGreens
Lightnessvery dark (17%)
Chromamuted (0.050)
Temperaturein between
Nearest nameAlmost Black (#070D0D)
Black text1.10:1
White text18.94:1

Values

HEX#001503
RGBrgb(0, 21, 3)
HSLhsl(129, 100%, 4%)
OKLCHoklch(17.1% 0.05 147.2)

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 #001503 18.94:1 AAA Lc -107.3 Preferred for body text
Black text on #001503 1.10:1 Fails Lc 0.0 Not readable
#001503 text on white 18.94:1 AAA Lc 105.2 Preferred for body text
#001503 text on black 1.10:1 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

    #F2F7F2

    oklch(97.1% 0.008 145.5)

  2. Step 100

    100

    #E3EDE3

    oklch(93.6% 0.017 145.4)

  3. Step 200

    200

    #CBDFCD

    oklch(88.4% 0.032 148.2)

  4. Step 300

    300

    #A8CCAB

    oklch(81% 0.06 147.3)

  5. Step 400

    400

    #77B17E

    oklch(70.7% 0.095 147.5)

  6. Step 500

    500

    #519D5C

    oklch(63% 0.123 147.1)

  7. Step 600

    600

    #328742

    oklch(55.5% 0.132 147.1)

  8. Step 700

    700

    #237334

    oklch(49.2% 0.124 147.2)

  9. Step 800

    800

    #1F5D2B

    oklch(42.5% 0.102 147.2)

  10. Step 900

    900

    #204D27

    oklch(37.8% 0.081 147)

  11. Step 950

    950 (this color)

    #001503

    oklch(17.1% 0.05 147.2)

Export this scale for Tailwind in the Tailwind colors tool

#001503 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)#1512020.038
Deuteranopia (no green cones)#1210040.038
Tritanopia (no blue cones)#0014110.031
Achromatopsia (no color)#1111110.051

Harmonies

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

Complementary

The opposite hue (180°).

  • #001503

    #001503

    oklch(17.1% 0.05 147.2)

  • #1A061B

    #1A061B

    oklch(16.9% 0.052 325.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #001503

    #001503

    oklch(17.1% 0.05 147.2)

  • #0E1200

    #0E1200

    oklch(17.2% 0.04 118.9)

  • #00140F

    #00140F

    oklch(17.1% 0.032 175.9)

Open the analogous palette in the generator

Split complementary

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

  • #001503

    #001503

    oklch(17.1% 0.05 147.2)

  • #120922

    #120922

    oklch(16.9% 0.051 297.3)

  • #200510

    #200510

    oklch(17.2% 0.051 357.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #001503

    #001503

    oklch(17.1% 0.05 147.2)

  • #060E25

    #060E25

    oklch(17.2% 0.049 265.9)

  • #210504

    #210504

    oklch(17% 0.05 27)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #001503

    #001503

    oklch(17.1% 0.05 147.2)

  • #00121E

    #00121E

    oklch(17.2% 0.037 236.5)

  • #1A061B

    #1A061B

    oklch(16.9% 0.052 325.7)

  • #1C0A00

    #1C0A00

    oklch(17% 0.041 58.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #001503, closest first.

Similar named colors

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

Use #001503 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.