#0A1F2E#0A1F2E

#0A1F2E is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 23.0% C 0.040 H 242.3°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A1F2E
RGB	rgb(10, 31, 46)
HSL	hsl(205, 64%, 11%)
HSV	hsv(205, 78%, 18%)
CMYK	cmyk(78.3%, 32.6%, 0%, 82%)
CIE-LAB	lab(10.86, -2.40, -12.48)
CIE-LCH	lch(10.86, 12.71, 259.09°)
OKLab	oklab(23.04% -0.0184 -0.0351)
OKLCH	oklch(23.04% 0.04 242.3)
XYZ	xyz(1.1081, 1.2416, 2.7655)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1F2E #2E190A

analogous

#0A2E2B #0A1F2E #0A0D2E

triadic

#0A1F2E #2E0A1F #1F2E0A

tetradic

#0A1F2E #2B0A2E #2E190A #0D2E0A

square

#0A1F2E #2B0A2E #2E190A #0D2E0A

split-complementary

#0A1F2E #2E0A0D #2E2B0A

monochromatic

#051119 #051119 #0A1F2E #154160 #206393

Accessibility & contrast

On white

16.82

#0A1F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0A1F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1F2E

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1F2E	#FFFFFF	#000000	##FFFFFF
##0A1F2E	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181F2F

Deuteranopia (green-blind)

#131C2E

Tritanopia (blue-blind)

#002324

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a1f2e;
/* rgb */ color: rgb(10, 31, 46);
/* oklch */ color: oklch(23.0% 0.040 242.3);

Tailwind

colors: {
  custom: {
    50: '#4e5a66',
    500: '#0a1f2e',
    950: '#000000',
  },
}

SCSS

$custom: #0a1f2e;
$custom-light: #4e5a66;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1f2e",
  "rgb": {
    "r": 10,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 205,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.23037,
    "c": 0.03966,
    "h": 242.3
  },
  "luminance": 0.01242
}

Semantic roles & 50–950 ramp

primary

#0A1F2E

secondary

#6B4429

accent

#8641E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #0A1F2E

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

Preview Lab → · Contrast checker → · Palette generator →