#001934

Closest named color: Rich Black (#0D1B2A). oklch(21.2% 0.062 251.5), rgb(0, 25, 52).

Aa

White text reads best on this color (17.66:1).

About this color

#001934 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.062 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 17.66:1.

Hue familyBlues
Lightnessvery dark (21%)
Chromamuted (0.062)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.66:1

Values

HEX#001934
RGBrgb(0, 25, 52)
HSLhsl(211, 100%, 10%)
OKLCHoklch(21.2% 0.062 251.5)

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 #001934 17.66:1 AAA Lc -106.5 Preferred for body text
Black text on #001934 1.18:1 Fails Lc 0.0 Not readable
#001934 text on white 17.66:1 AAA Lc 104.2 Preferred for body text
#001934 text on black 1.18:1 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

    #F1F6FC

    oklch(97.1% 0.01 252.8)

  2. Step 100

    100

    #E0EBF8

    oklch(93.6% 0.021 252.5)

  3. Step 200

    200

    #C6DCF4

    oklch(88.6% 0.041 250.6)

  4. Step 300

    300

    #9EC4F0

    oklch(80.8% 0.075 252.4)

  5. Step 400

    400

    #66A5E8

    oklch(70.7% 0.118 251.2)

  6. Step 500

    500

    #378CE1

    oklch(63% 0.152 251.6)

  7. Step 600

    600

    #0074CF

    oklch(55.5% 0.165 251.7)

  8. Step 700

    700

    #0062AF

    oklch(49.2% 0.144 251.3)

  9. Step 800

    800

    #005091

    oklch(42.8% 0.126 251.5)

  10. Step 900

    900

    #0F4374

    oklch(37.8% 0.099 251.4)

  11. Step 950

    950 (this color)

    #001934

    oklch(21.2% 0.062 251.5)

Export this scale for Tailwind in the Tailwind colors tool

#001934 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)#0B1B350.017
Deuteranopia (no green cones)#0216330.010
Tritanopia (no blue cones)#0020230.048
Achromatopsia (no color)#1919190.062

Harmonies

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

Complementary

The opposite hue (180°).

  • #001934

    #001934

    oklch(21.2% 0.062 251.5)

  • #251500

    #251500

    oklch(21.2% 0.045 73.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #001934

    #001934

    oklch(21.2% 0.062 251.5)

  • #001C25

    #001C25

    oklch(21% 0.039 222.2)

  • #151334

    #151334

    oklch(21.1% 0.063 282.3)

Open the analogous palette in the generator

Split complementary

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

  • #001934

    #001934

    oklch(21.2% 0.062 251.5)

  • #2F0C01

    #2F0C01

    oklch(21.2% 0.062 41.3)

  • #1D1900

    #1D1900

    oklch(21.2% 0.044 101.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #001934

    #001934

    oklch(21.2% 0.062 251.5)

  • #2F0911

    #2F0911

    oklch(21.1% 0.062 11.7)

  • #0E1E00

    #0E1E00

    oklch(21.2% 0.059 132)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #001934

    #001934

    oklch(21.2% 0.062 251.5)

  • #2B0A21

    #2B0A21

    oklch(21.2% 0.064 341.4)

  • #251500

    #251500

    oklch(21.2% 0.045 73.6)

  • #001F12

    #001F12

    oklch(21.2% 0.046 162.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #001934, closest first.

Similar named colors

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

Use #001934 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.