#03030D

Closest named color: Almost Black (#070D0D). oklch(10.6% 0.029 280.4), rgb(3, 3, 13).

Aa

White text reads best on this color (20.53:1).

About this color

#03030D is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.055 away. White text reads best on it, at 20.53:1.

Hue familyNeutrals
Lightnessvery dark (11%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.02:1
White text20.53:1

Values

HEX#03030D
RGBrgb(3, 3, 13)
HSLhsl(240, 63%, 3%)
OKLCHoklch(10.6% 0.029 280.4)

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 #03030D 20.53:1 AAA Lc -107.9 Preferred for body text
Black text on #03030D 1.02:1 Fails Lc 0.0 Not readable
#03030D text on white 20.53:1 AAA Lc 106.0 Preferred for body text
#03030D 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

    #E8E9F0

    oklch(93.5% 0.009 279.7)

  3. Step 200

    200

    #D6D8E6

    oklch(88.5% 0.019 279.5)

  4. Step 300

    300

    #BCBFD7

    oklch(81% 0.034 280)

  5. Step 400

    400

    #9A9DC2

    oklch(70.6% 0.054 281.3)

  6. Step 500

    500

    #8185B3

    oklch(63.1% 0.069 280.4)

  7. Step 600

    600

    #6B6E9F

    oklch(55.6% 0.076 280.9)

  8. Step 700

    700

    #595C88

    oklch(49.1% 0.07 280.5)

  9. Step 800

    800

    #494B6E

    oklch(42.6% 0.058 281.1)

  10. Step 900

    900

    #3D3F59

    oklch(37.7% 0.044 280.6)

  11. Step 950

    950 (this color)

    #03030D

    oklch(10.6% 0.029 280.4)

Export this scale for Tailwind in the Tailwind colors tool

#03030D 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)#01040D0.011
Deuteranopia (no green cones)#01030D0.010
Tritanopia (no blue cones)#0105060.027
Achromatopsia (no color)#0404040.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #03030D

    #03030D

    oklch(10.6% 0.029 280.4)

  • #050400

    #050400

    oklch(10.6% 0.022 101.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #03030D

    #03030D

    oklch(10.6% 0.029 280.4)

  • #00040D

    #00040D

    oklch(10.5% 0.03 250.1)

  • #06020A

    #06020A

    oklch(10.5% 0.028 310.4)

Open the analogous palette in the generator

Split complementary

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

  • #03030D

    #03030D

    oklch(10.6% 0.029 280.4)

  • #080300

    #080300

    oklch(10.6% 0.023 70.5)

  • #020500

    #020500

    oklch(10.5% 0.028 129.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #03030D

    #03030D

    oklch(10.6% 0.029 280.4)

  • #0B0200

    #0B0200

    oklch(10.7% 0.029 49)

  • #000602

    #000602

    oklch(10.7% 0.026 156.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #03030D

    #03030D

    oklch(10.6% 0.029 280.4)

  • #0B0103

    #0B0103

    oklch(10.4% 0.031 3.7)

  • #050400

    #050400

    oklch(10.6% 0.022 101.8)

  • #000505

    #000505

    oklch(10.4% 0.018 194.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #03030D, closest first.

Similar named colors

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

Use #03030D 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.