#030B13

Closest named color: Almost Black (#070D0D). oklch(14.4% 0.023 243.5), rgb(3, 11, 19).

Aa

White text reads best on this color (19.78:1).

About this color

#030B13 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.020 away. White text reads best on it, at 19.78:1.

Hue familyNeutrals
Lightnessvery dark (14%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.06:1
White text19.78:1

Values

HEX#030B13
RGBrgb(3, 11, 19)
HSLhsl(210, 73%, 4%)
OKLCHoklch(14.4% 0.023 243.5)

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 #030B13 19.78:1 AAA Lc -107.7 Preferred for body text
Black text on #030B13 1.06:1 Fails Lc 0.0 Not readable
#030B13 text on white 19.78:1 AAA Lc 105.8 Preferred for body text
#030B13 text on black 1.06:1 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

    #F3F6F8

    oklch(97.1% 0.004 236.5)

  2. Step 100

    100

    #E5EBEF

    oklch(93.7% 0.008 236.6)

  3. Step 200

    200

    #D1DBE3

    oklch(88.6% 0.015 241.8)

  4. Step 300

    300

    #B2C3D2

    oklch(80.9% 0.028 244.8)

  5. Step 400

    400

    #8AA4BB

    oklch(70.7% 0.045 245.2)

  6. Step 500

    500

    #6C8EAA

    oklch(63.2% 0.057 243.7)

  7. Step 600

    600

    #537895

    oklch(55.7% 0.062 242.8)

  8. Step 700

    700

    #44657F

    oklch(49.2% 0.057 243)

  9. Step 800

    800

    #385267

    oklch(42.7% 0.047 243.5)

  10. Step 900

    900

    #304454

    oklch(37.7% 0.037 243.1)

  11. Step 950

    950 (this color)

    #030B13

    oklch(14.4% 0.023 243.5)

Export this scale for Tailwind in the Tailwind colors tool

#030B13 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)#080B130.012
Deuteranopia (no green cones)#0609130.010
Tritanopia (no blue cones)#000D0E0.018
Achromatopsia (no color)#0A0A0A0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #030B13

    #030B13

    oklch(14.4% 0.023 243.5)

  • #110802

    #110802

    oklch(14.5% 0.024 65.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #030B13

    #030B13

    oklch(14.4% 0.023 243.5)

  • #010C10

    #010C10

    oklch(14.3% 0.023 217.5)

  • #070914

    #070914

    oklch(14.4% 0.024 274)

Open the analogous palette in the generator

Split complementary

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

  • #030B13

    #030B13

    oklch(14.4% 0.023 243.5)

  • #120705

    #120705

    oklch(14.5% 0.022 34.2)

  • #0D0A02

    #0D0A02

    oklch(14.5% 0.022 95.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #030B13

    #030B13

    oklch(14.4% 0.023 243.5)

  • #120609

    #120609

    oklch(14.4% 0.024 2.3)

  • #080C03

    #080C03

    oklch(14.6% 0.024 125.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #030B13

    #030B13

    oklch(14.4% 0.023 243.5)

  • #10070E

    #10070E

    oklch(14.6% 0.022 334.7)

  • #110802

    #110802

    oklch(14.5% 0.024 65.2)

  • #030D06

    #030D06

    oklch(14.5% 0.025 155)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #030B13, closest first.

Similar named colors

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

Use #030B13 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.