#0B2A4F#0B2A4F

#0B2A4F is a dark, moderate cyan. Relative luminance 0.023; OKLCH L 28.5% C 0.077 H 255.1°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#0B2A4F
RGB	rgb(11, 42, 79)
HSL	hsl(213, 76%, 18%)
HSV	hsv(213, 86%, 31%)
CMYK	cmyk(86.1%, 46.8%, 0%, 69%)
CIE-LAB	lab(16.95, 4.20, -25.95)
CIE-LCH	lch(16.95, 26.28, 279.19°)
OKLab	oklab(28.51% -0.0197 -0.0743)
OKLCH	oklch(28.51% 0.077 255.1)
XYZ	xyz(2.3767, 2.2913, 7.7126)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2A4F #4F300B

analogous

#0B4C4F #0B2A4F #0E0B4F

triadic

#0B2A4F #4F0B2A #2A4F0B

tetradic

#0B2A4F #4F0B4C #4F300B #0B4F0E

square

#0B2A4F #4F0B4C #4F300B #0B4F0E

split-complementary

#0B2A4F #4F0E0B #4C4F0B

monochromatic

#040E1B #040E1B #0B2A4F #124785 #1A63BA

Accessibility & contrast

On white

14.40

#0B2A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0B2A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2A4F

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2A4F	#FFFFFF	#000000	##FFFFFF
##0B2A4F	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182D50

Deuteranopia (green-blind)

#0B274E

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0b2a4f;
/* rgb */ color: rgb(11, 42, 79);
/* oklch */ color: oklch(28.5% 0.077 255.1);

Tailwind

colors: {
  custom: {
    50: '#566380',
    500: '#0b2a4f',
    950: '#000000',
  },
}

SCSS

$custom: #0b2a4f;
$custom-light: #566380;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2a4f",
  "rgb": {
    "r": 11,
    "g": 42,
    "b": 79
  },
  "hsl": {
    "h": 212.647,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28505,
    "c": 0.07686,
    "h": 255.1
  },
  "luminance": 0.02292
}

Semantic roles & 50–950 ramp

primary

#0B2A4F

secondary

#8B5F2B

accent

#9C36F2

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B2A4F

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

Preview Lab → · Contrast checker → · Palette generator →