#0B374E#0B374E

#0B374E is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.0% C 0.062 H 236.7°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#0B374E
RGB	rgb(11, 55, 78)
HSL	hsl(201, 75%, 17%)
HSV	hsv(201, 86%, 31%)
CMYK	cmyk(85.9%, 29.5%, 0%, 69.4%)
CIE-LAB	lab(21.41, -5.38, -18.22)
CIE-LCH	lch(21.41, 19.00, 253.56°)
OKLab	oklab(31.99% -0.0338 -0.0515)
OKLCH	oklch(31.99% 0.062 236.7)
XYZ	xyz(2.8788, 3.3532, 7.7018)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B374E #4E220B

analogous

#0B4E44 #0B374E #0B164E

triadic

#0B374E #4E0B37 #374E0B

tetradic

#0B374E #440B4E #4E220B #164E0B

square

#0B374E #440B4E #4E220B #164E0B

split-complementary

#0B374E #4E0B16 #4E440B

monochromatic

#04131B #04131B #0B374E #135D84 #1A83B9

Accessibility & contrast

On white

12.57

#0B374E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0B374E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B374E

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B374E	#FFFFFF	#000000	##FFFFFF
##0B374E	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C374F

Deuteranopia (green-blind)

#23314E

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0b374e;
/* rgb */ color: rgb(11, 55, 78);
/* oklch */ color: oklch(32.0% 0.062 236.7);

Tailwind

colors: {
  custom: {
    50: '#566d7f',
    500: '#0b374e',
    950: '#000000',
  },
}

SCSS

$custom: #0b374e;
$custom-light: #566d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b374e",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 200.597,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31993,
    "c": 0.06155,
    "h": 236.7
  },
  "luminance": 0.03354
}

Semantic roles & 50–950 ramp

primary

#0B374E

secondary

#8A4B2B

accent

#7636F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03070A

muted

#787A7C

Preview Lab

Preview with #0B374E

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

Preview Lab → · Contrast checker → · Palette generator →