#00071C

Closest named color: Dark Navy Blue (#00022E). oklch(13.5% 0.05 258.1), rgb(0, 7, 28).

Aa

White text reads best on this color (20.05:1).

About this color

#00071C is a very dark, muted blue. In OKLCH its lightness is 13%, its chroma 0.050 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy Blue (#00022E), ΔE 0.041 away. White text reads best on it, at 20.05:1.

Hue familyBlues
Lightnessvery dark (13%)
Chromamuted (0.050)
Temperaturecool
Nearest nameDark Navy Blue (#00022E)
Black text1.04:1
White text20.05:1

Values

HEX#00071C
RGBrgb(0, 7, 28)
HSLhsl(225, 100%, 5%)
OKLCHoklch(13.5% 0.05 258.1)

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 #00071C 20.05:1 AAA Lc -107.7 Preferred for body text
Black text on #00071C 1.04:1 Fails Lc 0.0 Not readable
#00071C text on white 20.05:1 AAA Lc 105.8 Preferred for body text
#00071C 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EAF6

    oklch(93.5% 0.018 261.3)

  3. Step 200

    200

    #CCDAEF

    oklch(88.4% 0.033 258.4)

  4. Step 300

    300

    #A9C2E8

    oklch(80.8% 0.061 258.7)

  5. Step 400

    400

    #7BA2DC

    oklch(70.6% 0.096 258.1)

  6. Step 500

    500

    #598AD2

    oklch(63.1% 0.122 257.9)

  7. Step 600

    600

    #3F73BF

    oklch(55.7% 0.131 257.9)

  8. Step 700

    700

    #3160A5

    oklch(49.2% 0.122 258.1)

  9. Step 800

    800

    #294E86

    oklch(42.6% 0.103 258.5)

  10. Step 900

    900

    #26426B

    oklch(37.8% 0.078 257.9)

  11. Step 950

    950 (this color)

    #00071C

    oklch(13.5% 0.05 258.1)

Export this scale for Tailwind in the Tailwind colors tool

#00071C 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)#00091D0.008
Deuteranopia (no green cones)#00071C0.000
Tritanopia (no blue cones)#000C100.037
Achromatopsia (no color)#0808080.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #00071C

    #00071C

    oklch(13.5% 0.05 258.1)

  • #0E0700

    #0E0700

    oklch(13.6% 0.028 80.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #00071C

    #00071C

    oklch(13.5% 0.05 258.1)

  • #000A10

    #000A10

    oklch(13.5% 0.026 225.9)

  • #08041B

    #08041B

    oklch(13.5% 0.051 287.9)

Open the analogous palette in the generator

Split complementary

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

  • #00071C

    #00071C

    oklch(13.5% 0.05 258.1)

  • #130400

    #130400

    oklch(13.4% 0.036 49.6)

  • #090900

    #090900

    oklch(13.5% 0.029 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #00071C

    #00071C

    oklch(13.5% 0.05 258.1)

  • #180103

    #180103

    oklch(13.7% 0.049 17.4)

  • #020C00

    #020C00

    oklch(13.7% 0.042 137.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #00071C

    #00071C

    oklch(13.5% 0.05 258.1)

  • #15010C

    #15010C

    oklch(13.4% 0.05 346.3)

  • #0E0700

    #0E0700

    oklch(13.6% 0.028 80.9)

  • #000B06

    #000B06

    oklch(13.3% 0.027 167.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #00071C, closest first.

Similar named colors

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

Use #00071C 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.