#0A2A4E#0A2A4E

#0A2A4E is a dark, moderate cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.076 H 254.2°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A4E
RGB	rgb(10, 42, 78)
HSL	hsl(212, 77%, 17%)
HSV	hsv(212, 87%, 31%)
CMYK	cmyk(87.2%, 46.2%, 0%, 69.4%)
CIE-LAB	lab(16.85, 3.63, -25.43)
CIE-LCH	lch(16.85, 25.69, 278.11°)
OKLab	oklab(28.4% -0.0206 -0.0728)
OKLCH	oklch(28.4% 0.076 254.2)
XYZ	xyz(2.3278, 2.2702, 7.5218)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A4E #4E2E0A

analogous

#0A4C4E #0A2A4E #0C0A4E

triadic

#0A2A4E #4E0A2A #2A4E0A

tetradic

#0A2A4E #4E0A4C #4E2E0A #0A4E0C

square

#0A2A4E #4E0A4C #4E2E0A #0A4E0C

split-complementary

#0A2A4E #4E0C0A #4C4E0A

monochromatic

#030F1B #030F1B #0A2A4E #114784 #1864BA

Accessibility & contrast

On white

14.44

#0A2A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0A2A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A4E

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A4E	#FFFFFF	#000000	##FFFFFF
##0A2A4E	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182D4F

Deuteranopia (green-blind)

#0C274D

Tritanopia (blue-blind)

#003338

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a2a4e;
/* rgb */ color: rgb(10, 42, 78);
/* oklch */ color: oklch(28.4% 0.076 254.2);

Tailwind

colors: {
  custom: {
    50: '#566380',
    500: '#0a2a4e',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a4e;
$custom-light: #566380;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a4e",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 78
  },
  "hsl": {
    "h": 211.765,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28395,
    "c": 0.07566,
    "h": 254.2
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#0A2A4E

secondary

#8B5D29

accent

#9A34F4

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0A2A4E

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

Preview Lab → · Contrast checker → · Palette generator →