#03070F

Closest named color: Almost Black (#070D0D). oklch(12.7% 0.021 256.2), rgb(3, 7, 15).

Aa

White text reads best on this color (20.16:1).

About this color

#03070F is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.031 away. White text reads best on it, at 20.16:1.

Hue familyNeutrals
Lightnessvery dark (13%)
Chromaclose to neutral grey (0.021)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.04:1
White text20.16:1

Values

HEX#03070F
RGBrgb(3, 7, 15)
HSLhsl(220, 67%, 4%)
OKLCHoklch(12.7% 0.021 256.2)

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 #03070F 20.16:1 AAA Lc -107.8 Preferred for body text
Black text on #03070F 1.04:1 Fails Lc 0.0 Not readable
#03070F text on white 20.16:1 AAA Lc 105.9 Preferred for body text
#03070F 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

    #F4F5F8

    oklch(97% 0.004 271.4)

  2. Step 100

    100

    #E7EAEF

    oklch(93.6% 0.007 260.7)

  3. Step 200

    200

    #D3DAE3

    oklch(88.6% 0.015 254.6)

  4. Step 300

    300

    #B6C2D1

    oklch(80.9% 0.025 254)

  5. Step 400

    400

    #91A2BA

    oklch(70.7% 0.04 257)

  6. Step 500

    500

    #758BA9

    oklch(63% 0.052 256.2)

  7. Step 600

    600

    #5E7594

    oklch(55.6% 0.056 256)

  8. Step 700

    700

    #4D627E

    oklch(49% 0.052 255.8)

  9. Step 800

    800

    #3F5067

    oklch(42.7% 0.044 256.1)

  10. Step 900

    900

    #364254

    oklch(37.6% 0.035 258.3)

  11. Step 950

    950 (this color)

    #03070F

    oklch(12.7% 0.021 256.2)

Export this scale for Tailwind in the Tailwind colors tool

#03070F 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)#05070F0.006
Deuteranopia (no green cones)#04060F0.006
Tritanopia (no blue cones)#00090A0.020
Achromatopsia (no color)#0707070.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #03070F

    #03070F

    oklch(12.7% 0.021 256.2)

  • #0B0601

    #0B0601

    oklch(12.7% 0.021 79.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #03070F

    #03070F

    oklch(12.7% 0.021 256.2)

  • #01080D

    #01080D

    oklch(12.7% 0.021 228.8)

  • #06060F

    #06060F

    oklch(12.8% 0.021 283)

Open the analogous palette in the generator

Split complementary

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

  • #03070F

    #03070F

    oklch(12.7% 0.021 256.2)

  • #0E0502

    #0E0502

    oklch(12.9% 0.022 49.6)

  • #080701

    #080701

    oklch(12.7% 0.021 103.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #03070F

    #03070F

    oklch(12.7% 0.021 256.2)

  • #0E0405

    #0E0405

    oklch(12.7% 0.022 11.9)

  • #040803

    #040803

    oklch(12.6% 0.018 138)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #03070F

    #03070F

    oklch(12.7% 0.021 256.2)

  • #0D0408

    #0D0408

    oklch(12.7% 0.023 348.5)

  • #0B0601

    #0B0601

    oklch(12.7% 0.021 79.7)

  • #010905

    #010905

    oklch(12.6% 0.022 165.3)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #03070F 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.