#0A2A3A#0A2A3A

#0A2A3A is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.0% C 0.047 H 234.3°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A3A
RGB	rgb(10, 42, 58)
HSL	hsl(200, 71%, 13%)
HSV	hsv(200, 83%, 23%)
CMYK	cmyk(82.8%, 27.6%, 0%, 77.3%)
CIE-LAB	lab(15.62, -5.12, -13.60)
CIE-LCH	lch(15.62, 14.53, 249.38°)
OKLab	oklab(27.03% -0.0275 -0.0383)
OKLCH	oklch(27.03% 0.047 234.3)
XYZ	xyz(1.7166, 2.0258, 4.3027)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A3A #3A1A0A

analogous

#0A3A32 #0A2A3A #0A123A

triadic

#0A2A3A #3A0A2A #2A3A0A

tetradic

#0A2A3A #320A3A #3A1A0A #123A0A

square

#0A2A3A #320A3A #3A1A0A #123A0A

split-complementary

#0A2A3A #3A0A12 #3A320A

monochromatic

#05131A #05131A #0A2A3A #13506E #1C76A2

Accessibility & contrast

On white

14.94

#0A2A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A3A

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A3A	#FFFFFF	#000000	##FFFFFF
##0A2A3A	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222A3B

Deuteranopia (green-blind)

#1C253A

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2a3a;
/* rgb */ color: rgb(10, 42, 58);
/* oklch */ color: oklch(27.0% 0.047 234.3);

Tailwind

colors: {
  custom: {
    50: '#516370',
    500: '#0a2a3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a3a;
$custom-light: #516370;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a3a",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 58
  },
  "hsl": {
    "h": 200,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27032,
    "c": 0.04711,
    "h": 234.3
  },
  "luminance": 0.02026
}

Semantic roles & 50–950 ramp

primary

#0A2A3A

secondary

#774328

accent

#763AED

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2A3A

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

Preview Lab → · Contrast checker → · Palette generator →