#030B1E

Closest named color: Rich Navy (#001219). oklch(15.3% 0.043 261.2), rgb(3, 11, 30).

Aa

White text reads best on this color (19.61:1).

About this color

#030B1E is a very dark, muted blue. In OKLCH its lightness is 15%, its chroma 0.043 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.031 away. White text reads best on it, at 19.61:1.

Hue familyBlues
Lightnessvery dark (15%)
Chromamuted (0.043)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.07:1
White text19.61:1

Values

HEX#030B1E
RGBrgb(3, 11, 30)
HSLhsl(222, 82%, 6%)
OKLCHoklch(15.3% 0.043 261.2)

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 #030B1E 19.61:1 AAA Lc -107.6 Preferred for body text
Black text on #030B1E 1.07:1 Fails Lc 0.0 Not readable
#030B1E text on white 19.61:1 AAA Lc 105.7 Preferred for body text
#030B1E text on black 1.07:1 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

    #F3F6FA

    oklch(97.2% 0.006 255.5)

  2. Step 100

    100

    #E4EAF4

    oklch(93.5% 0.015 260.7)

  3. Step 200

    200

    #CFDAED

    oklch(88.6% 0.029 261.5)

  4. Step 300

    300

    #AEC2E3

    oklch(81% 0.052 260.4)

  5. Step 400

    400

    #84A1D4

    oklch(70.6% 0.082 261.5)

  6. Step 500

    500

    #6589C9

    oklch(63% 0.105 261.4)

  7. Step 600

    600

    #4C72B6

    oklch(55.6% 0.115 261.3)

  8. Step 700

    700

    #3D5F9D

    oklch(49% 0.107 261.5)

  9. Step 800

    800

    #334E7F

    oklch(42.7% 0.088 261.5)

  10. Step 900

    900

    #2C4166

    oklch(37.6% 0.069 261.2)

  11. Step 950

    950 (this color)

    #030B1E

    oklch(15.3% 0.043 261.2)

Export this scale for Tailwind in the Tailwind colors tool

#030B1E 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)#030D1F0.007
Deuteranopia (no green cones)#010A1E0.007
Tritanopia (no blue cones)#000F120.034
Achromatopsia (no color)#0C0C0C0.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #030B1E

    #030B1E

    oklch(15.3% 0.043 261.2)

  • #130A00

    #130A00

    oklch(15.4% 0.032 79.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #030B1E

    #030B1E

    oklch(15.3% 0.043 261.2)

  • #000E17

    #000E17

    oklch(15.4% 0.032 232.4)

  • #0C081D

    #0C081D

    oklch(15.4% 0.044 289.3)

Open the analogous palette in the generator

Split complementary

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

  • #030B1E

    #030B1E

    oklch(15.3% 0.043 261.2)

  • #190600

    #190600

    oklch(15.4% 0.041 49.7)

  • #0D0D00

    #0D0D00

    oklch(15.4% 0.034 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #030B1E

    #030B1E

    oklch(15.3% 0.043 261.2)

  • #1B0405

    #1B0405

    oklch(15.4% 0.044 20.1)

  • #021001

    #021001

    oklch(15.3% 0.045 141)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #030B1E

    #030B1E

    oklch(15.3% 0.043 261.2)

  • #19040E

    #19040E

    oklch(15.4% 0.044 351.6)

  • #130A00

    #130A00

    oklch(15.4% 0.032 79.3)

  • #00100A

    #00100A

    oklch(15.4% 0.03 170.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #030B1E, closest first.

Similar named colors

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

Use #030B1E 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.