#0A2129#0A2129

#0A2129 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.3% C 0.033 H 223.7°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#0A2129
RGB	rgb(10, 33, 41)
HSL	hsl(195, 61%, 10%)
HSV	hsv(195, 76%, 16%)
CMYK	cmyk(75.6%, 19.5%, 0%, 83.9%)
CIE-LAB	lab(11.36, -5.90, -8.07)
CIE-LCH	lch(11.36, 10.00, 233.80°)
OKLab	oklab(23.35% -0.0235 -0.0225)
OKLCH	oklch(23.35% 0.033 223.7)
XYZ	xyz(1.0691, 1.3122, 2.2943)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2129 #29120A

analogous

#0A2922 #0A2129 #0A1129

triadic

#0A2129 #290A21 #21290A

tetradic

#0A2129 #220A29 #29120A #11290A

square

#0A2129 #220A29 #29120A #11290A

split-complementary

#0A2129 #290A11 #29220A

monochromatic

#061419 #061419 #0A2129 #16495A #22708B

Accessibility & contrast

On white

16.63

#0A2129 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0A2129 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2129

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2129	#FFFFFF	#000000	##FFFFFF
##0A2129	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2029

Deuteranopia (green-blind)

#181D29

Tritanopia (blue-blind)

#002324

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0a2129;
/* rgb */ color: rgb(10, 33, 41);
/* oklch */ color: oklch(23.3% 0.033 223.7);

Tailwind

colors: {
  custom: {
    50: '#4d5c62',
    500: '#0a2129',
    950: '#000000',
  },
}

SCSS

$custom: #0a2129;
$custom-light: #4d5c62;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2129",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 41
  },
  "hsl": {
    "h": 195.484,
    "s": 60.784,
    "l": 10
  },
  "oklch": {
    "l": 0.23347,
    "c": 0.0325,
    "h": 223.7
  },
  "luminance": 0.01312
}

Semantic roles & 50–950 ramp

primary

#0A2129

secondary

#663929

accent

#6D44E4

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #0A2129

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

Preview Lab → · Contrast checker → · Palette generator →