#0A193C#0A193C

#0A193C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.071 H 264.1°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A193C
RGB	rgb(10, 25, 60)
HSL	hsl(222, 71%, 14%)
HSV	hsv(222, 83%, 24%)
CMYK	cmyk(83.3%, 58.3%, 0%, 76.5%)
CIE-LAB	lab(9.69, 8.49, -24.43)
CIE-LCH	lch(9.69, 25.86, 289.16°)
OKLab	oklab(22.44% -0.0073 -0.0702)
OKLCH	oklch(22.44% 0.071 264.1)
XYZ	xyz(1.2881, 1.0859, 4.4158)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A193C #3C2D0A

analogous

#0A323C #0A193C #140A3C

triadic

#0A193C #3C0A19 #193C0A

tetradic

#0A193C #3C0A32 #3C2D0A #0A3C14

square

#0A193C #3C0A32 #3C2D0A #0A3C14

split-complementary

#0A193C #3C140A #323C0A

monochromatic

#040B1A #040B1A #0A193C #132F70 #1B45A5

Accessibility & contrast

On white

17.25

#0A193C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A193C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A193C

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A193C	#FFFFFF	#000000	##FFFFFF
##0A193C	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051D3D

Deuteranopia (green-blind)

#00193B

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a193c;
/* rgb */ color: rgb(10, 25, 60);
/* oklch */ color: oklch(22.4% 0.071 264.1);

Tailwind

colors: {
  custom: {
    50: '#515572',
    500: '#0a193c',
    950: '#000000',
  },
}

SCSS

$custom: #0a193c;
$custom-light: #515572;
$custom-dark: #000000;

JSON

{
  "hex": "#0a193c",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 60
  },
  "hsl": {
    "h": 222,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.22441,
    "c": 0.07058,
    "h": 264.1
  },
  "luminance": 0.01086
}

Semantic roles & 50–950 ramp

primary

#0A193C

secondary

#796128

accent

#B83AEE

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0A193C

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

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