#03070D

Closest named color: Almost Black (#070D0D). oklch(12.6% 0.018 250), rgb(3, 7, 13).

Aa

White text reads best on this color (20.19:1).

About this color

#03070D is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.030 away. White text reads best on it, at 20.19:1.

Hue familyNeutrals
Lightnessvery dark (13%)
Chromaclose to neutral grey (0.018)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.04:1
White text20.19:1

Values

HEX#03070D
RGBrgb(3, 7, 13)
HSLhsl(216, 63%, 3%)
OKLCHoklch(12.6% 0.018 250)

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 #03070D 20.19:1 AAA Lc -107.8 Preferred for body text
Black text on #03070D 1.04:1 Fails Lc 0.0 Not readable
#03070D text on white 20.19:1 AAA Lc 106.0 Preferred for body text
#03070D text on black 1.04:1 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

    #F4F6F7

    oklch(97.2% 0.003 228.8)

  2. Step 100

    100

    #E7EAEE

    oklch(93.6% 0.006 255.5)

  3. Step 200

    200

    #D4DAE1

    oklch(88.6% 0.012 252.1)

  4. Step 300

    300

    #B7C2CE

    oklch(80.9% 0.021 250.4)

  5. Step 400

    400

    #91A3B5

    oklch(70.7% 0.033 248.3)

  6. Step 500

    500

    #768CA3

    oklch(63.1% 0.043 249.7)

  7. Step 600

    600

    #5F768E

    oklch(55.7% 0.046 249.8)

  8. Step 700

    700

    #4E6379

    oklch(49.1% 0.044 249.9)

  9. Step 800

    800

    #405162

    oklch(42.7% 0.035 248.7)

  10. Step 900

    900

    #374350

    oklch(37.8% 0.027 250.6)

  11. Step 950

    950 (this color)

    #03070D

    oklch(12.6% 0.018 250)

Export this scale for Tailwind in the Tailwind colors tool

#03070D 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)#05070D0.006
Deuteranopia (no green cones)#04060D0.006
Tritanopia (no blue cones)#0108090.014
Achromatopsia (no color)#0707070.018

Harmonies

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

Complementary

The opposite hue (180°).

  • #03070D

    #03070D

    oklch(12.6% 0.018 250)

  • #0B0602

    #0B0602

    oklch(12.8% 0.017 71.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #03070D

    #03070D

    oklch(12.6% 0.018 250)

  • #01080B

    #01080B

    oklch(12.5% 0.019 217.4)

  • #06060D

    #06060D

    oklch(12.7% 0.017 283.7)

Open the analogous palette in the generator

Split complementary

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

  • #03070D

    #03070D

    oklch(12.6% 0.018 250)

  • #0C0503

    #0C0503

    oklch(12.6% 0.017 44)

  • #080702

    #080702

    oklch(12.7% 0.017 101.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #03070D

    #03070D

    oklch(12.6% 0.018 250)

  • #0C0405

    #0C0405

    oklch(12.3% 0.018 9.4)

  • #050803

    #050803

    oklch(12.7% 0.017 131.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #03070D

    #03070D

    oklch(12.6% 0.018 250)

  • #0B0508

    #0B0508

    oklch(12.7% 0.015 345.1)

  • #0B0602

    #0B0602

    oklch(12.8% 0.017 71.9)

  • #020805

    #020805

    oklch(12.3% 0.017 165.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #03070D, closest first.

Similar named colors

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

Use #03070D 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.