#03050B

Closest named color: Almost Black (#070D0D). oklch(11.5% 0.017 263.8), rgb(3, 5, 11).

Aa

White text reads best on this color (20.38:1).

About this color

#03050B is a very dark close to neutral grey. In OKLCH its lightness is 12%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.041 away. White text reads best on it, at 20.38:1.

Hue familyNeutrals
Lightnessvery dark (12%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.03:1
White text20.38:1

Values

HEX#03050B
RGBrgb(3, 5, 11)
HSLhsl(225, 57%, 3%)
OKLCHoklch(11.5% 0.017 263.8)

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 #03050B 20.38:1 AAA Lc -107.9 Preferred for body text
Black text on #03050B 1.03:1 Fails Lc 0.0 Not readable
#03050B text on white 20.38:1 AAA Lc 106.0 Preferred for body text
#03050B text on black 1.03:1 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

    #F4F5F7

    oklch(97% 0.003 264.5)

  2. Step 100

    100

    #E8EAEE

    oklch(93.7% 0.006 264.5)

  3. Step 200

    200

    #D5D9E1

    oklch(88.5% 0.012 264.5)

  4. Step 300

    300

    #BAC1CE

    oklch(80.9% 0.02 263)

  5. Step 400

    400

    #96A1B6

    oklch(70.7% 0.033 263.4)

  6. Step 500

    500

    #7C8AA4

    oklch(63.1% 0.043 262.8)

  7. Step 600

    600

    #66738F

    oklch(55.5% 0.046 265.4)

  8. Step 700

    700

    #546179

    oklch(49.1% 0.042 262.6)

  9. Step 800

    800

    #454F63

    oklch(42.7% 0.036 264.1)

  10. Step 900

    900

    #3A4251

    oklch(37.8% 0.028 263)

  11. Step 950

    950 (this color)

    #03050B

    oklch(11.5% 0.017 263.8)

Export this scale for Tailwind in the Tailwind colors tool

#03050B 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)#03050B0.000
Deuteranopia (no green cones)#03050B0.000
Tritanopia (no blue cones)#0106070.016
Achromatopsia (no color)#0505050.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #03050B

    #03050B

    oklch(11.5% 0.017 263.8)

  • #080501

    #080501

    oklch(11.8% 0.018 85.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #03050B

    #03050B

    oklch(11.5% 0.017 263.8)

  • #01060A

    #01060A

    oklch(11.6% 0.018 230.8)

  • #05040A

    #05040A

    oklch(11.4% 0.017 293)

Open the analogous palette in the generator

Split complementary

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

  • #03050B

    #03050B

    oklch(11.5% 0.017 263.8)

  • #090402

    #090402

    oklch(11.5% 0.015 52.6)

  • #050601

    #050601

    oklch(11.7% 0.02 116.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #03050B

    #03050B

    oklch(11.5% 0.017 263.8)

  • #0A0303

    #0A0303

    oklch(11.3% 0.019 20.4)

  • #030603

    #030603

    oklch(11.5% 0.014 144.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #03050B

    #03050B

    oklch(11.5% 0.017 263.8)

  • #090305

    #090305

    oklch(11.3% 0.018 354.3)

  • #080501

    #080501

    oklch(11.8% 0.018 85.3)

  • #010705

    #010705

    oklch(11.7% 0.018 174.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #03050B, closest first.

Similar named colors

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

Use #03050B 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.