#0B3E52#0B3E52

#0B3E52 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.062 H 229.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#0B3E52
RGB	rgb(11, 62, 82)
HSL	hsl(197, 76%, 18%)
HSV	hsv(197, 87%, 32%)
CMYK	cmyk(86.6%, 24.4%, 0%, 67.8%)
CIE-LAB	lab(24.08, -8.29, -16.70)
CIE-LCH	lch(24.08, 18.65, 243.60°)
OKLab	oklab(34.19% -0.0398 -0.047)
OKLCH	oklch(34.19% 0.062 229.7)
XYZ	xyz(3.3830, 4.1252, 8.5989)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3E52 #521F0B

analogous

#0B5242 #0B3E52 #0B1B52

triadic

#0B3E52 #520B3E #3E520B

tetradic

#0B3E52 #420B52 #521F0B #1B520B

square

#0B3E52 #420B52 #521F0B #1B520B

split-complementary

#0B3E52 #520B1B #52420B

monochromatic

#04141B #04151C #0B3E52 #126788 #1990BE

Accessibility & contrast

On white

11.51

#0B3E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0B3E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3E52

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3E52	#FFFFFF	#000000	##FFFFFF
##0B3E52	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D53

Deuteranopia (green-blind)

#2A3652

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b3e52;
/* rgb */ color: rgb(11, 62, 82);
/* oklch */ color: oklch(34.2% 0.062 229.7);

Tailwind

colors: {
  custom: {
    50: '#587382',
    500: '#0b3e52',
    950: '#000000',
  },
}

SCSS

$custom: #0b3e52;
$custom-light: #587382;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3e52",
  "rgb": {
    "r": 11,
    "g": 62,
    "b": 82
  },
  "hsl": {
    "h": 196.901,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.34194,
    "c": 0.06161,
    "h": 229.7
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#0B3E52

secondary

#8E472B

accent

#6A35F3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B3E52

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

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