#0B2C4E#0B2C4E

#0B2C4E is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 29.0% C 0.073 H 252.4°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#0B2C4E
RGB	rgb(11, 44, 78)
HSL	hsl(210, 75%, 17%)
HSV	hsv(210, 86%, 31%)
CMYK	cmyk(85.9%, 43.6%, 0%, 69.4%)
CIE-LAB	lab(17.56, 2.29, -24.29)
CIE-LCH	lch(17.56, 24.39, 275.38°)
OKLab	oklab(28.96% -0.022 -0.0694)
OKLCH	oklch(28.96% 0.073 252.4)
XYZ	xyz(2.4133, 2.4223, 7.5466)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2C4E #4E2D0B

analogous

#0B4D4E #0B2C4E #0C0B4E

triadic

#0B2C4E #4E0B2C #2C4E0B

tetradic

#0B2C4E #4E0B4D #4E2D0B #0B4E0C

square

#0B2C4E #4E0B4D #4E2D0B #0B4E0C

split-complementary

#0B2C4E #4E0C0B #4D4E0B

monochromatic

#040F1B #040F1B #0B2C4E #134A84 #1A69B9

Accessibility & contrast

On white

14.15

#0B2C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0B2C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2C4E

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2C4E	#FFFFFF	#000000	##FFFFFF
##0B2C4E	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2E4F

Deuteranopia (green-blind)

#11284D

Tritanopia (blue-blind)

#003439

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0b2c4e;
/* rgb */ color: rgb(11, 44, 78);
/* oklch */ color: oklch(29.0% 0.073 252.4);

Tailwind

colors: {
  custom: {
    50: '#566480',
    500: '#0b2c4e',
    950: '#000000',
  },
}

SCSS

$custom: #0b2c4e;
$custom-light: #566480;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2c4e",
  "rgb": {
    "r": 11,
    "g": 44,
    "b": 78
  },
  "hsl": {
    "h": 210.448,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28963,
    "c": 0.07277,
    "h": 252.4
  },
  "luminance": 0.02423
}

Semantic roles & 50–950 ramp

primary

#0B2C4E

secondary

#8A5B2B

accent

#9536F2

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B2C4E

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

Preview Lab → · Contrast checker → · Palette generator →