#0A3147#0A3147

#0A3147 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.058 H 238.4°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#0A3147
RGB	rgb(10, 49, 71)
HSL	hsl(202, 75%, 16%)
HSV	hsv(202, 86%, 28%)
CMYK	cmyk(85.9%, 31%, 0%, 72.2%)
CIE-LAB	lab(18.87, -4.42, -17.48)
CIE-LCH	lch(18.87, 18.03, 255.83°)
OKLab	oklab(29.84% -0.0304 -0.0494)
OKLCH	oklch(29.84% 0.058 238.4)
XYZ	xyz(2.3604, 2.7158, 6.3598)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3147 #47200A

analogous

#0A473E #0A3147 #0A1247

triadic

#0A3147 #470A31 #31470A

tetradic

#0A3147 #3E0A47 #47200A #12470A

square

#0A3147 #3E0A47 #47200A #12470A

split-complementary

#0A3147 #470A12 #473E0A

monochromatic

#04131B #04131B #0A3147 #12567D #197BB2

Accessibility & contrast

On white

13.61

#0A3147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0A3147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3147

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3147	#FFFFFF	#000000	##FFFFFF
##0A3147	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273148

Deuteranopia (green-blind)

#1E2B47

Tritanopia (blue-blind)

#003739

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a3147;
/* rgb */ color: rgb(10, 49, 71);
/* oklch */ color: oklch(29.8% 0.058 238.4);

Tailwind

colors: {
  custom: {
    50: '#54687a',
    500: '#0a3147',
    950: '#000000',
  },
}

SCSS

$custom: #0a3147;
$custom-light: #54687a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3147",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 201.639,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.29844,
    "c": 0.058,
    "h": 238.4
  },
  "luminance": 0.02716
}

Semantic roles & 50–950 ramp

primary

#0A3147

secondary

#844A29

accent

#7A36F2

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3147

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

Preview Lab → · Contrast checker → · Palette generator →