#0A2B4A#0A2B4A

#0A2B4A is a dark, moderate cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.068 H 250.5°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B4A
RGB	rgb(10, 43, 74)
HSL	hsl(209, 76%, 16%)
HSV	hsv(209, 86%, 29%)
CMYK	cmyk(86.5%, 41.9%, 0%, 71%)
CIE-LAB	lab(16.92, 1.11, -22.59)
CIE-LCH	lch(16.92, 22.62, 272.82°)
OKLab	oklab(28.37% -0.0228 -0.0644)
OKLCH	oklch(28.37% 0.068 250.5)
XYZ	xyz(2.2246, 2.2864, 6.8013)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B4A #4A290A

analogous

#0A4A49 #0A2B4A #0A0B4A

triadic

#0A2B4A #4A0A2B #2B4A0A

tetradic

#0A2B4A #490A4A #4A290A #0B4A0A

square

#0A2B4A #490A4A #4A290A #0B4A0A

split-complementary

#0A2B4A #4A0A0B #4A490A

monochromatic

#04101B #04101B #0A2B4A #114A80 #196AB6

Accessibility & contrast

On white

14.41

#0A2B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0A2B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B4A

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B4A	#FFFFFF	#000000	##FFFFFF
##0A2B4A	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2D4B

Deuteranopia (green-blind)

#132749

Tritanopia (blue-blind)

#003236

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a2b4a;
/* rgb */ color: rgb(10, 43, 74);
/* oklch */ color: oklch(28.4% 0.068 250.5);

Tailwind

colors: {
  custom: {
    50: '#55637c',
    500: '#0a2b4a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b4a;
$custom-light: #55637c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b4a",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 74
  },
  "hsl": {
    "h": 209.063,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.28369,
    "c": 0.06833,
    "h": 250.5
  },
  "luminance": 0.02287
}

Semantic roles & 50–950 ramp

primary

#0A2B4A

secondary

#875629

accent

#9135F3

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#030509

muted

#78797B

Preview Lab

Preview with #0A2B4A

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

Preview Lab → · Contrast checker → · Palette generator →