#0A2A3D#0A2A3D

#0A2A3D is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.2% C 0.051 H 239.0°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A3D
RGB	rgb(10, 42, 61)
HSL	hsl(202, 72%, 14%)
HSV	hsv(202, 84%, 24%)
CMYK	cmyk(83.6%, 31.1%, 0%, 76.1%)
CIE-LAB	lab(15.78, -3.85, -15.44)
CIE-LCH	lch(15.78, 15.91, 256.00°)
OKLab	oklab(27.22% -0.0262 -0.0436)
OKLCH	oklch(27.22% 0.051 239)
XYZ	xyz(1.7951, 2.0572, 4.7164)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A3D #3D1D0A

analogous

#0A3D37 #0A2A3D #0A113D

triadic

#0A2A3D #3D0A2A #2A3D0A

tetradic

#0A2A3D #370A3D #3D1D0A #113D0A

square

#0A2A3D #370A3D #3D1D0A #113D0A

split-complementary

#0A2A3D #3D0A11 #3D370A

monochromatic

#04121A #04121A #0A2A3D #134E72 #1B72A6

Accessibility & contrast

On white

14.88

#0A2A3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2A3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A3D

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A3D	#FFFFFF	#000000	##FFFFFF
##0A2A3D	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212A3E

Deuteranopia (green-blind)

#1A253D

Tritanopia (blue-blind)

#002F31

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2a3d;
/* rgb */ color: rgb(10, 42, 61);
/* oklch */ color: oklch(27.2% 0.051 239.0);

Tailwind

colors: {
  custom: {
    50: '#526372',
    500: '#0a2a3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a3d;
$custom-light: #526372;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a3d",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 61
  },
  "hsl": {
    "h": 202.353,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.27215,
    "c": 0.05086,
    "h": 239
  },
  "luminance": 0.02057
}

Semantic roles & 50–950 ramp

primary

#0A2A3D

secondary

#7A4728

accent

#7D39EF

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020508

muted

#78797B

Preview Lab

Preview with #0A2A3D

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

Preview Lab → · Contrast checker → · Palette generator →