#0A2228#0A2228

#0A2228 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.6% C 0.032 H 216.7°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#0A2228
RGB	rgb(10, 34, 40)
HSL	hsl(192, 60%, 10%)
HSV	hsv(192, 75%, 16%)
CMYK	cmyk(75%, 15%, 0%, 84.3%)
CIE-LAB	lab(11.70, -6.99, -6.82)
CIE-LCH	lch(11.70, 9.76, 224.32°)
OKLab	oklab(23.6% -0.0254 -0.0189)
OKLCH	oklch(23.6% 0.032 216.7)
XYZ	xyz(1.0801, 1.3617, 2.2130)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2228 #28100A

analogous

#0A281F #0A2228 #0A1328

triadic

#0A2228 #280A22 #22280A

tetradic

#0A2228 #1F0A28 #28100A #13280A

square

#0A2228 #1F0A28 #28100A #13280A

split-complementary

#0A2228 #280A13 #281F0A

monochromatic

#061518 #061518 #0A2228 #164C59 #22758A

Accessibility & contrast

On white

16.50

#0A2228 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0A2228 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2228

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2228	#FFFFFF	#000000	##FFFFFF
##0A2228	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2128

Deuteranopia (green-blind)

#1A1D28

Tritanopia (blue-blind)

#002424

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a2228;
/* rgb */ color: rgb(10, 34, 40);
/* oklch */ color: oklch(23.6% 0.032 216.7);

Tailwind

colors: {
  custom: {
    50: '#4d5d61',
    500: '#0a2228',
    950: '#000000',
  },
}

SCSS

$custom: #0a2228;
$custom-light: #4d5d61;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2228",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 40
  },
  "hsl": {
    "h": 192,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.23603,
    "c": 0.03169,
    "h": 216.7
  },
  "luminance": 0.01362
}

Semantic roles & 50–950 ramp

primary

#0A2228

secondary

#653529

accent

#6445E3

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010405

muted

#777979

Preview Lab

Preview with #0A2228

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

Preview Lab → · Contrast checker → · Palette generator →