#0B1D30#0B1D30

#0B1D30 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.6% C 0.044 H 251.5°. Best body text is #FFFFFF at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#0B1D30
RGB	rgb(11, 29, 48)
HSL	hsl(211, 63%, 12%)
HSV	hsv(211, 77%, 19%)
CMYK	cmyk(77.1%, 39.6%, 0%, 81.2%)
CIE-LAB	lab(10.28, 0.17, -14.83)
CIE-LCH	lch(10.28, 14.83, 270.67°)
OKLab	oklab(22.63% -0.014 -0.042)
OKLCH	oklch(22.63% 0.044 251.5)
XYZ	xyz(1.1107, 1.1632, 2.9617)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1D30 #301E0B

analogous

#0B3030 #0B1D30 #0C0B30

triadic

#0B1D30 #300B1D #1D300B

tetradic

#0B1D30 #300B30 #301E0B #0B300C

square

#0B1D30 #300B30 #301E0B #0B300C

split-complementary

#0B1D30 #300C0B #30300B

monochromatic

#060F19 #060F19 #0B1D30 #163B62 #225994

Accessibility & contrast

On white

17.04

#0B1D30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1D30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D30

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1D30	#FFFFFF	#000000	##FFFFFF
##0B1D30	1.00	17.04	1.23	17.04
#FFFFFF	17.04	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151E31

Deuteranopia (green-blind)

#101A30

Tritanopia (blue-blind)

#002124

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1d30;
/* rgb */ color: rgb(11, 29, 48);
/* oklch */ color: oklch(22.6% 0.044 251.5);

Tailwind

colors: {
  custom: {
    50: '#4e5868',
    500: '#0b1d30',
    950: '#000000',
  },
}

SCSS

$custom: #0b1d30;
$custom-light: #4e5868;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1d30",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 48
  },
  "hsl": {
    "h": 210.811,
    "s": 62.712,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22634,
    "c": 0.04426,
    "h": 251.5
  },
  "luminance": 0.01163
}

Semantic roles & 50–950 ramp

primary

#0B1D30

secondary

#6D4C2A

accent

#9642E6

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #0B1D30

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

Preview Lab → · Contrast checker → · Palette generator →