#0A2233#0A2233

#0A2233 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.2% C 0.044 H 242.5°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#0A2233
RGB	rgb(10, 34, 51)
HSL	hsl(205, 67%, 12%)
HSV	hsv(205, 80%, 20%)
CMYK	cmyk(80.4%, 33.3%, 0%, 80%)
CIE-LAB	lab(12.27, -2.45, -13.88)
CIE-LCH	lch(12.27, 14.10, 259.99°)
OKLab	oklab(24.25% -0.0203 -0.0391)
OKLCH	oklch(24.25% 0.044 242.5)
XYZ	xyz(1.2945, 1.4475, 3.3425)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2233 #331B0A

analogous

#0A3330 #0A2233 #0A0E33

triadic

#0A2233 #330A22 #22330A

tetradic

#0A2233 #300A33 #331B0A #0E330A

square

#0A2233 #300A33 #331B0A #0E330A

split-complementary

#0A2233 #330A0E #33300A

monochromatic

#05111A #05111A #0A2233 #144466 #1E6699

Accessibility & contrast

On white

16.28

#0A2233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0A2233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2233

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2233	#FFFFFF	#000000	##FFFFFF
##0A2233	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2234

Deuteranopia (green-blind)

#151E33

Tritanopia (blue-blind)

#002628

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a2233;
/* rgb */ color: rgb(10, 34, 51);
/* oklch */ color: oklch(24.2% 0.044 242.5);

Tailwind

colors: {
  custom: {
    50: '#4f5c6a',
    500: '#0a2233',
    950: '#000000',
  },
}

SCSS

$custom: #0a2233;
$custom-light: #4f5c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2233",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 51
  },
  "hsl": {
    "h": 204.878,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.24245,
    "c": 0.04412,
    "h": 242.5
  },
  "luminance": 0.01448
}

Semantic roles & 50–950 ramp

primary

#0A2233

secondary

#704628

accent

#853EEA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0A2233

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

Preview Lab → · Contrast checker → · Palette generator →