#0B3A56#0B3A56

#0B3A56 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.069 H 240.5°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A56
RGB	rgb(11, 58, 86)
HSL	hsl(202, 77%, 19%)
HSV	hsv(202, 87%, 34%)
CMYK	cmyk(87.2%, 32.6%, 0%, 66.3%)
CIE-LAB	lab(22.89, -4.03, -21.20)
CIE-LCH	lch(22.89, 21.57, 259.24°)
OKLab	oklab(33.32% -0.034 -0.0601)
OKLCH	oklch(33.32% 0.069 240.5)
XYZ	xyz(3.3301, 3.7687, 9.3542)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A56 #56270B

analogous

#0B564D #0B3A56 #0B1556

triadic

#0B3A56 #560B3A #3A560B

tetradic

#0B3A56 #4D0B56 #56270B #15560B

square

#0B3A56 #4D0B56 #56270B #15560B

split-complementary

#0B3A56 #560B15 #564D0B

monochromatic

#03121B #041520 #0B3A56 #125F8C #1983C3

Accessibility & contrast

On white

11.97

#0B3A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0B3A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A56

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A56	#FFFFFF	#000000	##FFFFFF
##0B3A56	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3A57

Deuteranopia (green-blind)

#233455

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3a56;
/* rgb */ color: rgb(11, 58, 86);
/* oklch */ color: oklch(33.3% 0.069 240.5);

Tailwind

colors: {
  custom: {
    50: '#587086',
    500: '#0b3a56',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a56;
$custom-light: #587086;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a56",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 86
  },
  "hsl": {
    "h": 202.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33316,
    "c": 0.069,
    "h": 240.5
  },
  "luminance": 0.03769
}

Semantic roles & 50–950 ramp

primary

#0B3A56

secondary

#91512B

accent

#7C34F4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0B3A56

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

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