#0A1D2E#0A1D2E

#0A1D2E is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.042 H 247.8°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#0A1D2E
RGB	rgb(10, 29, 46)
HSL	hsl(208, 64%, 11%)
HSV	hsv(208, 78%, 18%)
CMYK	cmyk(78.3%, 37%, 0%, 82%)
CIE-LAB	lab(10.11, -0.92, -13.65)
CIE-LCH	lch(10.11, 13.68, 266.14°)
OKLab	oklab(22.44% -0.0157 -0.0385)
OKLCH	oklch(22.44% 0.042 247.8)
XYZ	xyz(1.0575, 1.1404, 2.7486)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1D2E #2E1B0A

analogous

#0A2E2D #0A1D2E #0A0B2E

triadic

#0A1D2E #2E0A1D #1D2E0A

tetradic

#0A1D2E #2D0A2E #2E1B0A #0B2E0A

square

#0A1D2E #2D0A2E #2E1B0A #0B2E0A

split-complementary

#0A1D2E #2E0A0B #2E2D0A

monochromatic

#051019 #051019 #0A1D2E #153D60 #205C93

Accessibility & contrast

On white

17.10

#0A1D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0A1D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1D2E

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1D2E	#FFFFFF	#000000	##FFFFFF
##0A1D2E	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161E2F

Deuteranopia (green-blind)

#111A2E

Tritanopia (blue-blind)

#002123

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1d2e;
/* rgb */ color: rgb(10, 29, 46);
/* oklch */ color: oklch(22.4% 0.042 247.8);

Tailwind

colors: {
  custom: {
    50: '#4e5866',
    500: '#0a1d2e',
    950: '#000000',
  },
}

SCSS

$custom: #0a1d2e;
$custom-light: #4e5866;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1d2e",
  "rgb": {
    "r": 10,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 208.333,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22444,
    "c": 0.04164,
    "h": 247.8
  },
  "luminance": 0.01141
}

Semantic roles & 50–950 ramp

primary

#0A1D2E

secondary

#6B4829

accent

#8F41E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #0A1D2E

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

Preview Lab → · Contrast checker → · Palette generator →