#0A2B3D#0A2B3D

#0A2B3D is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.5% C 0.050 H 236.8°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B3D
RGB	rgb(10, 43, 61)
HSL	hsl(201, 72%, 14%)
HSV	hsv(201, 84%, 24%)
CMYK	cmyk(83.6%, 29.5%, 0%, 76.1%)
CIE-LAB	lab(16.15, -4.54, -14.87)
CIE-LCH	lch(16.15, 15.55, 253.01°)
OKLab	oklab(27.51% -0.0274 -0.0419)
OKLCH	oklch(27.51% 0.05 236.8)
XYZ	xyz(1.8310, 2.1290, 4.7284)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B3D #3D1C0A

analogous

#0A3D36 #0A2B3D #0A123D

triadic

#0A2B3D #3D0A2B #2B3D0A

tetradic

#0A2B3D #360A3D #3D1C0A #123D0A

square

#0A2B3D #360A3D #3D1C0A #123D0A

split-complementary

#0A2B3D #3D0A12 #3D360A

monochromatic

#04131A #04131A #0A2B3D #135072 #1B75A6

Accessibility & contrast

On white

14.73

#0A2B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0A2B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B3D

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B3D	#FFFFFF	#000000	##FFFFFF
##0A2B3D	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222B3E

Deuteranopia (green-blind)

#1B263D

Tritanopia (blue-blind)

#003031

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b3d;
/* rgb */ color: rgb(10, 43, 61);
/* oklch */ color: oklch(27.5% 0.050 236.8);

Tailwind

colors: {
  custom: {
    50: '#526472',
    500: '#0a2b3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b3d;
$custom-light: #526472;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b3d",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 61
  },
  "hsl": {
    "h": 201.176,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.27505,
    "c": 0.05009,
    "h": 236.8
  },
  "luminance": 0.02129
}

Semantic roles & 50–950 ramp

primary

#0A2B3D

secondary

#7A4528

accent

#7939EF

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020508

muted

#78797B

Preview Lab

Preview with #0A2B3D

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

Preview Lab → · Contrast checker → · Palette generator →