#0A193E#0A193E

#0A193E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.074 H 264.6°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#0A193E
RGB	rgb(10, 25, 62)
HSL	hsl(223, 72%, 14%)
HSV	hsv(223, 84%, 24%)
CMYK	cmyk(83.9%, 59.7%, 0%, 75.7%)
CIE-LAB	lab(9.86, 9.40, -25.58)
CIE-LCH	lch(9.86, 27.25, 290.18°)
OKLab	oklab(22.62% -0.007 -0.0736)
OKLCH	oklch(22.62% 0.074 264.6)
XYZ	xyz(1.3420, 1.1074, 4.6995)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A193E #3E2F0A

analogous

#0A333E #0A193E #150A3E

triadic

#0A193E #3E0A19 #193E0A

tetradic

#0A193E #3E0A33 #3E2F0A #0A3E15

square

#0A193E #3E0A33 #3E2F0A #0A3E15

split-complementary

#0A193E #3E150A #333E0A

monochromatic

#040B1A #040B1A #0A193E #132E73 #1B44A7

Accessibility & contrast

On white

17.19

#0A193E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A193E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A193E

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A193E	#FFFFFF	#000000	##FFFFFF
##0A193E	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031E3F

Deuteranopia (green-blind)

#00193D

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a193e;
/* rgb */ color: rgb(10, 25, 62);
/* oklch */ color: oklch(22.6% 0.074 264.6);

Tailwind

colors: {
  custom: {
    50: '#525573',
    500: '#0a193e',
    950: '#000000',
  },
}

SCSS

$custom: #0a193e;
$custom-light: #525573;
$custom-dark: #000000;

JSON

{
  "hex": "#0a193e",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 62
  },
  "hsl": {
    "h": 222.692,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.22623,
    "c": 0.07392,
    "h": 264.6
  },
  "luminance": 0.01108
}

Semantic roles & 50–950 ramp

primary

#0A193E

secondary

#7B6328

accent

#BA39EF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #0A193E

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

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