#0B404C#0B404C

#0B404C is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.4% C 0.056 H 217.0°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#0B404C
RGB	rgb(11, 64, 76)
HSL	hsl(191, 75%, 17%)
HSV	hsv(191, 86%, 30%)
CMYK	cmyk(85.5%, 15.8%, 0%, 70.2%)
CIE-LAB	lab(24.51, -11.91, -12.09)
CIE-LCH	lch(24.51, 16.97, 225.43°)
OKLab	oklab(34.45% -0.0448 -0.0338)
OKLCH	oklch(34.45% 0.056 217)
XYZ	xyz(3.2754, 4.2593, 7.4856)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B404C #4C170B

analogous

#0B4C38 #0B404C #0B204C

triadic

#0B404C #4C0B40 #404C0B

tetradic

#0B404C #380B4C #4C170B #204C0B

square

#0B404C #380B4C #4C170B #204C0B

split-complementary

#0B404C #4C0B20 #4C380B

monochromatic

#04171B #04171B #0B404C #136D81 #1A9AB7

Accessibility & contrast

On white

11.34

#0B404C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0B404C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B404C

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B404C	#FFFFFF	#000000	##FFFFFF
##0B404C	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4D

Deuteranopia (green-blind)

#2F374C

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0b404c;
/* rgb */ color: rgb(11, 64, 76);
/* oklch */ color: oklch(34.4% 0.056 217.0);

Tailwind

colors: {
  custom: {
    50: '#57757e',
    500: '#0b404c',
    950: '#000000',
  },
}

SCSS

$custom: #0b404c;
$custom-light: #57757e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b404c",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 76
  },
  "hsl": {
    "h": 191.077,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34446,
    "c": 0.05606,
    "h": 217
  },
  "luminance": 0.0426
}

Semantic roles & 50–950 ramp

primary

#0B404C

secondary

#883C2B

accent

#5936F1

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0B404C

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

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