#0A3142#0A3142

#0A3142 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.5% C 0.052 H 231.5°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#0A3142
RGB	rgb(10, 49, 66)
HSL	hsl(198, 74%, 15%)
HSV	hsv(198, 85%, 26%)
CMYK	cmyk(84.8%, 25.8%, 0%, 74.1%)
CIE-LAB	lab(18.60, -6.51, -14.49)
CIE-LCH	lch(18.60, 15.89, 245.80°)
OKLab	oklab(29.55% -0.0324 -0.0408)
OKLCH	oklch(29.55% 0.052 231.5)
XYZ	xyz(2.2065, 2.6542, 5.5492)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3142 #421B0A

analogous

#0A4237 #0A3142 #0A1542

triadic

#0A3142 #420A31 #31420A

tetradic

#0A3142 #370A42 #421B0A #15420A

square

#0A3142 #370A42 #421B0A #15420A

split-complementary

#0A3142 #420A15 #42370A

monochromatic

#04141B #04141B #0A3142 #125877 #1A80AC

Accessibility & contrast

On white

13.72

#0A3142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0A3142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3142

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3142	#FFFFFF	#000000	##FFFFFF
##0A3142	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283043

Deuteranopia (green-blind)

#212B42

Tritanopia (blue-blind)

#003637

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a3142;
/* rgb */ color: rgb(10, 49, 66);
/* oklch */ color: oklch(29.5% 0.052 231.5);

Tailwind

colors: {
  custom: {
    50: '#536976',
    500: '#0a3142',
    950: '#000000',
  },
}

SCSS

$custom: #0a3142;
$custom-light: #536976;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3142",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 198.214,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.29545,
    "c": 0.05209,
    "h": 231.5
  },
  "luminance": 0.02655
}

Semantic roles & 50–950 ramp

primary

#0A3142

secondary

#7F4329

accent

#7037F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3142

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

Preview Lab → · Contrast checker → · Palette generator →