#030B2C#030B2C

#030B2C is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.068 H 265.7°. Best body text is #FFFFFF at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#030B2C
RGB	rgb(3, 11, 44)
HSL	hsl(228, 87%, 9%)
HSV	hsv(228, 93%, 17%)
CMYK	cmyk(93.2%, 75%, 0%, 82.7%)
CIE-LAB	lab(3.98, 7.91, -21.90)
CIE-LCH	lch(3.98, 23.29, 289.85°)
OKLab	oklab(16.81% -0.0051 -0.0682)
OKLCH	oklch(16.81% 0.068 265.7)
XYZ	xyz(0.6117, 0.4405, 2.4352)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B2C #2C2403

analogous

#03202C #030B2C #10032C

triadic

#030B2C #2C030B #0B2C03

tetradic

#030B2C #2C0320 #2C2403 #032C10

square

#030B2C #2C0320 #2C2403 #032C10

split-complementary

#030B2C #2C1003 #202C03

monochromatic

#02071D #02071D #030B2C #071965 #0B289F

Accessibility & contrast

On white

19.30

#030B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B2C

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B2C	#FFFFFF	#000000	##FFFFFF
##030B2C	1.00	19.30	1.09	19.30
#FFFFFF	19.30	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102D

Deuteranopia (green-blind)

#000C2B

Tritanopia (blue-blind)

#001419

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030b2c;
/* rgb */ color: rgb(3, 11, 44);
/* oklch */ color: oklch(16.8% 0.068 265.7);

Tailwind

colors: {
  custom: {
    50: '#494b65',
    500: '#030b2c',
    950: '#000000',
  },
}

SCSS

$custom: #030b2c;
$custom-light: #494b65;
$custom-dark: #000000;

JSON

{
  "hex": "#030b2c",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 44
  },
  "hsl": {
    "h": 228.293,
    "s": 87.234,
    "l": 9.216
  },
  "oklch": {
    "l": 0.16808,
    "c": 0.06835,
    "h": 265.7
  },
  "luminance": 0.00441
}

Semantic roles & 50–950 ramp

primary

#030B2C

secondary

#705F1B

accent

#D42AFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #030B2C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →