#0A2247#0A2247

#0A2247 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 25.7% C 0.076 H 259.0°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A2247
RGB	rgb(10, 34, 71)
HSL	hsl(216, 75%, 16%)
HSV	hsv(216, 86%, 28%)
CMYK	cmyk(85.9%, 52.1%, 0%, 72.2%)
CIE-LAB	lab(13.61, 6.48, -25.83)
CIE-LCH	lch(13.61, 26.63, 284.08°)
OKLab	oklab(25.73% -0.0144 -0.0741)
OKLCH	oklch(25.73% 0.076 259)
XYZ	xyz(1.8341, 1.6633, 6.1844)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2247 #472F0A

analogous

#0A4047 #0A2247 #100A47

triadic

#0A2247 #470A22 #22470A

tetradic

#0A2247 #470A40 #472F0A #0A4710

square

#0A2247 #470A40 #472F0A #0A4710

split-complementary

#0A2247 #47100A #40470A

monochromatic

#040D1B #040D1B #0A2247 #123C7D #1955B2

Accessibility & contrast

On white

15.76

#0A2247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0A2247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2247

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2247	#FFFFFF	#000000	##FFFFFF
##0A2247	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2648

Deuteranopia (green-blind)

#022046

Tritanopia (blue-blind)

#002B31

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0a2247;
/* rgb */ color: rgb(10, 34, 71);
/* oklch */ color: oklch(25.7% 0.076 259.0);

Tailwind

colors: {
  custom: {
    50: '#545c7a',
    500: '#0a2247',
    950: '#000000',
  },
}

SCSS

$custom: #0a2247;
$custom-light: #545c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2247",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 71
  },
  "hsl": {
    "h": 216.393,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25727,
    "c": 0.07551,
    "h": 259
  },
  "luminance": 0.01664
}

Semantic roles & 50–950 ramp

primary

#0A2247

secondary

#846029

accent

#A836F2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2247

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

Preview Lab → · Contrast checker → · Palette generator →