#0A3247#0A3247

#0A3247 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.057 H 236.6°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#0A3247
RGB	rgb(10, 50, 71)
HSL	hsl(201, 75%, 16%)
HSV	hsv(201, 86%, 28%)
CMYK	cmyk(85.9%, 29.6%, 0%, 72.2%)
CIE-LAB	lab(19.23, -5.09, -16.92)
CIE-LCH	lch(19.23, 17.67, 253.25°)
OKLab	oklab(30.13% -0.0315 -0.0478)
OKLCH	oklch(30.13% 0.057 236.6)
XYZ	xyz(2.4027, 2.8004, 6.3739)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3247 #471F0A

analogous

#0A473D #0A3247 #0A1347

triadic

#0A3247 #470A32 #32470A

tetradic

#0A3247 #3D0A47 #471F0A #13470A

square

#0A3247 #3D0A47 #471F0A #13470A

split-complementary

#0A3247 #470A13 #473D0A

monochromatic

#04131B #04131B #0A3247 #12587D #197EB2

Accessibility & contrast

On white

13.46

#0A3247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A3247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3247

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3247	#FFFFFF	#000000	##FFFFFF
##0A3247	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283248

Deuteranopia (green-blind)

#202C47

Tritanopia (blue-blind)

#003739

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a3247;
/* rgb */ color: rgb(10, 50, 71);
/* oklch */ color: oklch(30.1% 0.057 236.6);

Tailwind

colors: {
  custom: {
    50: '#54697a',
    500: '#0a3247',
    950: '#000000',
  },
}

SCSS

$custom: #0a3247;
$custom-light: #54697a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3247",
  "rgb": {
    "r": 10,
    "g": 50,
    "b": 71
  },
  "hsl": {
    "h": 200.656,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.30129,
    "c": 0.05722,
    "h": 236.6
  },
  "luminance": 0.02801
}

Semantic roles & 50–950 ramp

primary

#0A3247

secondary

#844829

accent

#7736F2

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3247

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

Preview Lab → · Contrast checker → · Palette generator →