#0A203A#0A203A

#0A203A is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.2% C 0.057 H 254.3°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#0A203A
RGB	rgb(10, 32, 58)
HSL	hsl(213, 71%, 13%)
HSV	hsv(213, 83%, 23%)
CMYK	cmyk(82.8%, 44.8%, 0%, 77.3%)
CIE-LAB	lab(11.98, 2.12, -19.33)
CIE-LCH	lch(11.98, 19.45, 276.27°)
OKLab	oklab(24.16% -0.0154 -0.0551)
OKLCH	oklch(24.16% 0.057 254.3)
XYZ	xyz(1.4051, 1.4029, 4.1989)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A203A #3A240A

analogous

#0A383A #0A203A #0C0A3A

triadic

#0A203A #3A0A20 #203A0A

tetradic

#0A203A #3A0A38 #3A240A #0A3A0C

square

#0A203A #3A0A38 #3A240A #0A3A0C

split-complementary

#0A203A #3A0C0A #383A0A

monochromatic

#050E1A #050E1A #0A203A #133D6E #1C5AA2

Accessibility & contrast

On white

16.40

#0A203A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0A203A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A203A

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A203A	#FFFFFF	#000000	##FFFFFF
##0A203A	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14223B

Deuteranopia (green-blind)

#0D1D39

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a203a;
/* rgb */ color: rgb(10, 32, 58);
/* oklch */ color: oklch(24.2% 0.057 254.3);

Tailwind

colors: {
  custom: {
    50: '#505b70',
    500: '#0a203a',
    950: '#000000',
  },
}

SCSS

$custom: #0a203a;
$custom-light: #505b70;
$custom-dark: #000000;

JSON

{
  "hex": "#0a203a",
  "rgb": {
    "r": 10,
    "g": 32,
    "b": 58
  },
  "hsl": {
    "h": 212.5,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24158,
    "c": 0.05721,
    "h": 254.3
  },
  "luminance": 0.01403
}

Semantic roles & 50–950 ramp

primary

#0A203A

secondary

#775328

accent

#9B3AED

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0A203A

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

Preview Lab → · Contrast checker → · Palette generator →