#0B233D#0B233D

#0B233D is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.3% C 0.058 H 252.6°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#0B233D
RGB	rgb(11, 35, 61)
HSL	hsl(211, 69%, 14%)
HSV	hsv(211, 82%, 24%)
CMYK	cmyk(82%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(13.29, 1.38, -19.36)
CIE-LCH	lch(13.29, 19.41, 274.08°)
OKLab	oklab(25.26% -0.0172 -0.0551)
OKLCH	oklch(25.26% 0.058 252.6)
XYZ	xyz(1.5810, 1.6100, 4.6414)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B233D #3D250B

analogous

#0B3C3D #0B233D #0C0B3D

triadic

#0B233D #3D0B23 #233D0B

tetradic

#0B233D #3D0B3C #3D250B #0B3D0C

square

#0B233D #3D0B3C #3D250B #0B3D0C

split-complementary

#0B233D #3D0C0B #3C3D0B

monochromatic

#050F1A #050F1A #0B233D #144171 #1E5FA5

Accessibility & contrast

On white

15.89

#0B233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B233D

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B233D	#FFFFFF	#000000	##FFFFFF
##0B233D	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253E

Deuteranopia (green-blind)

#10203C

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b233d;
/* rgb */ color: rgb(11, 35, 61);
/* oklch */ color: oklch(25.3% 0.058 252.6);

Tailwind

colors: {
  custom: {
    50: '#525d72',
    500: '#0b233d',
    950: '#000000',
  },
}

SCSS

$custom: #0b233d;
$custom-light: #525d72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b233d",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 211.2,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2526,
    "c": 0.05774,
    "h": 252.6
  },
  "luminance": 0.0161
}

Semantic roles & 50–950 ramp

primary

#0B233D

secondary

#7A532A

accent

#973CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0B233D

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

Preview Lab → · Contrast checker → · Palette generator →