#0A2F3D#0A2F3D

#0A2F3D is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.048 H 227.6°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F3D
RGB	rgb(10, 47, 61)
HSL	hsl(196, 72%, 14%)
HSV	hsv(196, 84%, 24%)
CMYK	cmyk(83.6%, 23%, 0%, 76.1%)
CIE-LAB	lab(17.62, -7.25, -12.59)
CIE-LCH	lch(17.62, 14.52, 240.07°)
OKLab	oklab(28.68% -0.0322 -0.0353)
OKLCH	oklch(28.68% 0.048 227.6)
XYZ	xyz(1.9837, 2.4343, 4.7793)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F3D #3D180A

analogous

#0A3D32 #0A2F3D #0A163D

triadic

#0A2F3D #3D0A2F #2F3D0A

tetradic

#0A2F3D #320A3D #3D180A #163D0A

square

#0A2F3D #320A3D #3D180A #163D0A

split-complementary

#0A2F3D #3D0A16 #3D320A

monochromatic

#04141A #04141A #0A2F3D #135872 #1B80A6

Accessibility & contrast

On white

14.12

#0A2F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0A2F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F3D

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F3D	#FFFFFF	#000000	##FFFFFF
##0A2F3D	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3E

Deuteranopia (green-blind)

#21293D

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2f3d;
/* rgb */ color: rgb(10, 47, 61);
/* oklch */ color: oklch(28.7% 0.048 227.6);

Tailwind

colors: {
  custom: {
    50: '#526772',
    500: '#0a2f3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f3d;
$custom-light: #526772;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f3d",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 61
  },
  "hsl": {
    "h": 196.471,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.28676,
    "c": 0.04781,
    "h": 227.6
  },
  "luminance": 0.02434
}

Semantic roles & 50–950 ramp

primary

#0A2F3D

secondary

#7A3F28

accent

#6B39EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020608

muted

#787A7B

Preview Lab

Preview with #0A2F3D

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

Preview Lab → · Contrast checker → · Palette generator →