#0A193D#0A193D

#0A193D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.072 H 264.3°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#0A193D
RGB	rgb(10, 25, 61)
HSL	hsl(222, 72%, 14%)
HSV	hsv(222, 84%, 24%)
CMYK	cmyk(83.6%, 59%, 0%, 76.1%)
CIE-LAB	lab(9.77, 8.94, -25.00)
CIE-LCH	lch(9.77, 26.55, 289.68°)
OKLab	oklab(22.53% -0.0071 -0.0719)
OKLCH	oklch(22.53% 0.072 264.3)
XYZ	xyz(1.3148, 1.0966, 4.5563)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A193D #3D2E0A

analogous

#0A333D #0A193D #150A3D

triadic

#0A193D #3D0A19 #193D0A

tetradic

#0A193D #3D0A33 #3D2E0A #0A3D15

square

#0A193D #3D0A33 #3D2E0A #0A3D15

split-complementary

#0A193D #3D150A #333D0A

monochromatic

#040B1A #040B1A #0A193D #132F72 #1B44A6

Accessibility & contrast

On white

17.22

#0A193D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A193D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A193D

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A193D	#FFFFFF	#000000	##FFFFFF
##0A193D	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041D3E

Deuteranopia (green-blind)

#00193C

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a193d;
/* rgb */ color: rgb(10, 25, 61);
/* oklch */ color: oklch(22.5% 0.072 264.3);

Tailwind

colors: {
  custom: {
    50: '#525573',
    500: '#0a193d',
    950: '#000000',
  },
}

SCSS

$custom: #0a193d;
$custom-light: #525573;
$custom-dark: #000000;

JSON

{
  "hex": "#0a193d",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 61
  },
  "hsl": {
    "h": 222.353,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22532,
    "c": 0.07225,
    "h": 264.3
  },
  "luminance": 0.01097
}

Semantic roles & 50–950 ramp

primary

#0A193D

secondary

#7A6228

accent

#B939EF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #0A193D

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

Preview Lab → · Contrast checker → · Palette generator →