#0B4252#0B4252

#0B4252 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.3% C 0.060 H 222.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B4252
RGB	rgb(11, 66, 82)
HSL	hsl(194, 76%, 18%)
HSV	hsv(194, 87%, 32%)
CMYK	cmyk(86.6%, 19.5%, 0%, 67.8%)
CIE-LAB	lab(25.49, -10.79, -14.52)
CIE-LCH	lch(25.49, 18.09, 233.37°)
OKLab	oklab(35.32% -0.0443 -0.0407)
OKLCH	oklch(35.32% 0.06 222.6)
XYZ	xyz(3.6086, 4.5763, 8.6741)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4252 #521B0B

analogous

#0B523E #0B4252 #0B1E52

triadic

#0B4252 #520B42 #42520B

tetradic

#0B4252 #3E0B52 #521B0B #1E520B

square

#0B4252 #3E0B52 #521B0B #1E520B

split-complementary

#0B4252 #520B1E #523E0B

monochromatic

#04161B #04171C #0B4252 #126D88 #1999BE

Accessibility & contrast

On white

10.96

#0B4252 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#0B4252 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4252

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4252	#FFFFFF	#000000	##FFFFFF
##0B4252	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394053

Deuteranopia (green-blind)

#2F3952

Tritanopia (blue-blind)

#004747

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0b4252;
/* rgb */ color: rgb(11, 66, 82);
/* oklch */ color: oklch(35.3% 0.060 222.6);

Tailwind

colors: {
  custom: {
    50: '#587682',
    500: '#0b4252',
    950: '#000000',
  },
}

SCSS

$custom: #0b4252;
$custom-light: #587682;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4252",
  "rgb": {
    "r": 11,
    "g": 66,
    "b": 82
  },
  "hsl": {
    "h": 193.521,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.35324,
    "c": 0.06012,
    "h": 222.6
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#0B4252

secondary

#8E412B

accent

#6035F3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B4252

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

Preview Lab → · Contrast checker → · Palette generator →