#0A232D#0A232D

#0A232D is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.2% C 0.036 H 227.4°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#0A232D
RGB	rgb(10, 35, 45)
HSL	hsl(197, 64%, 11%)
HSV	hsv(197, 78%, 18%)
CMYK	cmyk(77.8%, 22.2%, 0%, 82.4%)
CIE-LAB	lab(12.32, -5.67, -9.49)
CIE-LCH	lch(12.32, 11.05, 239.11°)
OKLab	oklab(24.18% -0.0243 -0.0265)
OKLCH	oklch(24.18% 0.036 227.4)
XYZ	xyz(1.1997, 1.4559, 2.6999)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A232D #2D140A

analogous

#0A2D25 #0A232D #0A112D

triadic

#0A232D #2D0A23 #232D0A

tetradic

#0A232D #250A2D #2D140A #112D0A

square

#0A232D #250A2D #2D140A #112D0A

split-complementary

#0A232D #2D0A11 #2D250A

monochromatic

#061319 #061319 #0A232D #154A5F #207191

Accessibility & contrast

On white

16.26

#0A232D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0A232D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A232D

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A232D	#FFFFFF	#000000	##FFFFFF
##0A232D	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E222E

Deuteranopia (green-blind)

#191F2D

Tritanopia (blue-blind)

#002626

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a232d;
/* rgb */ color: rgb(10, 35, 45);
/* oklch */ color: oklch(24.2% 0.036 227.4);

Tailwind

colors: {
  custom: {
    50: '#4e5d65',
    500: '#0a232d',
    950: '#000000',
  },
}

SCSS

$custom: #0a232d;
$custom-light: #4e5d65;
$custom-dark: #000000;

JSON

{
  "hex": "#0a232d",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 45
  },
  "hsl": {
    "h": 197.143,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.24183,
    "c": 0.03596,
    "h": 227.4
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#0A232D

secondary

#6A3B29

accent

#7041E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020405

muted

#78797A

Preview Lab

Preview with #0A232D

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

Preview Lab → · Contrast checker → · Palette generator →