#0A2B3F#0A2B3F

#0A2B3F is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.6% C 0.053 H 239.6°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B3F
RGB	rgb(10, 43, 63)
HSL	hsl(203, 73%, 14%)
HSV	hsv(203, 84%, 25%)
CMYK	cmyk(84.1%, 31.7%, 0%, 75.3%)
CIE-LAB	lab(16.26, -3.69, -16.08)
CIE-LCH	lch(16.26, 16.50, 257.08°)
OKLab	oklab(27.63% -0.0266 -0.0454)
OKLCH	oklch(27.63% 0.053 239.6)
XYZ	xyz(1.8859, 2.1509, 5.0174)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B3F #3F1E0A

analogous

#0A3F39 #0A2B3F #0A103F

triadic

#0A2B3F #3F0A2B #2B3F0A

tetradic

#0A2B3F #390A3F #3F1E0A #103F0A

square

#0A2B3F #390A3F #3F1E0A #103F0A

split-complementary

#0A2B3F #3F0A10 #3F390A

monochromatic

#04121A #04121A #0A2B3F #124F74 #1B73A9

Accessibility & contrast

On white

14.68

#0A2B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0A2B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B3F

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B3F	#FFFFFF	#000000	##FFFFFF
##0A2B3F	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222B40

Deuteranopia (green-blind)

#1A263F

Tritanopia (blue-blind)

#003032

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b3f;
/* rgb */ color: rgb(10, 43, 63);
/* oklch */ color: oklch(27.6% 0.053 239.6);

Tailwind

colors: {
  custom: {
    50: '#526474',
    500: '#0a2b3f',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b3f;
$custom-light: #526474;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b3f",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 63
  },
  "hsl": {
    "h": 202.642,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.27629,
    "c": 0.05265,
    "h": 239.6
  },
  "luminance": 0.02151
}

Semantic roles & 50–950 ramp

primary

#0A2B3F

secondary

#7C4829

accent

#7D38EF

background

#F4F5F7

surface

#E7EAED

border

#C3C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0A2B3F

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

Preview Lab → · Contrast checker → · Palette generator →