#0B2D4E#0B2D4E

#0B2D4E is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.2% C 0.072 H 251.2°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B2D4E
RGB	rgb(11, 45, 78)
HSL	hsl(210, 75%, 17%)
HSV	hsv(210, 86%, 31%)
CMYK	cmyk(85.9%, 42.3%, 0%, 69.4%)
CIE-LAB	lab(17.91, 1.56, -23.74)
CIE-LCH	lch(17.91, 23.79, 273.77°)
OKLab	oklab(29.23% -0.023 -0.0677)
OKLCH	oklch(29.23% 0.072 251.2)
XYZ	xyz(2.4510, 2.4977, 7.5592)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2D4E #4E2C0B

analogous

#0B4E4D #0B2D4E #0B0C4E

triadic

#0B2D4E #4E0B2D #2D4E0B

tetradic

#0B2D4E #4D0B4E #4E2C0B #0C4E0B

square

#0B2D4E #4D0B4E #4E2C0B #0C4E0B

split-complementary

#0B2D4E #4E0B0C #4E4D0B

monochromatic

#040F1B #040F1B #0B2D4E #134C84 #1A6BB9

Accessibility & contrast

On white

14.00

#0B2D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0B2D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2D4E

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2D4E	#FFFFFF	#000000	##FFFFFF
##0B2D4E	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2F4F

Deuteranopia (green-blind)

#13294D

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0b2d4e;
/* rgb */ color: rgb(11, 45, 78);
/* oklch */ color: oklch(29.2% 0.072 251.2);

Tailwind

colors: {
  custom: {
    50: '#566580',
    500: '#0b2d4e',
    950: '#000000',
  },
}

SCSS

$custom: #0b2d4e;
$custom-light: #566580;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2d4e",
  "rgb": {
    "r": 11,
    "g": 45,
    "b": 78
  },
  "hsl": {
    "h": 209.552,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.29233,
    "c": 0.07154,
    "h": 251.2
  },
  "luminance": 0.02498
}

Semantic roles & 50–950 ramp

primary

#0B2D4E

secondary

#8A5A2B

accent

#9236F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03050A

muted

#787A7C

Preview Lab

Preview with #0B2D4E

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

Preview Lab → · Contrast checker → · Palette generator →