#10163A#10163A

#10163A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.070 H 272.2°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#10163A
RGB	rgb(16, 22, 58)
HSL	hsl(231, 57%, 15%)
HSV	hsv(231, 72%, 23%)
CMYK	cmyk(72.4%, 62.1%, 0%, 77.3%)
CIE-LAB	lab(8.90, 11.12, -24.24)
CIE-LCH	lch(8.90, 26.67, 294.65°)
OKLab	oklab(21.89% 0.0027 -0.0696)
OKLCH	oklch(21.89% 0.07 272.2)
XYZ	xyz(1.2641, 0.9894, 4.1265)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10163A #3A3410

analogous

#102B3A #10163A #1F103A

triadic

#10163A #3A1016 #163A10

tetradic

#10163A #3A102B #3A3410 #103A1F

square

#10163A #3A102B #3A3410 #103A1F

split-complementary

#10163A #3A1F10 #2B3A10

monochromatic

#070918 #070918 #10163A #1D286A #2A3A9A

Accessibility & contrast

On white

17.53

#10163A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#10163A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10163A

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10163A	#FFFFFF	#000000	##FFFFFF
##10163A	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021B3B

Deuteranopia (green-blind)

#001839

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #10163a;
/* rgb */ color: rgb(16, 22, 58);
/* oklch */ color: oklch(21.9% 0.070 272.2);

Tailwind

colors: {
  custom: {
    50: '#545270',
    500: '#10163a',
    950: '#000000',
  },
}

SCSS

$custom: #10163a;
$custom-light: #545270;
$custom-dark: #000000;

JSON

{
  "hex": "#10163a",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 58
  },
  "hsl": {
    "h": 231.429,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21894,
    "c": 0.06962,
    "h": 272.2
  },
  "luminance": 0.00989
}

Semantic roles & 50–950 ramp

primary

#10163A

secondary

#746A32

accent

#CA48E0

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #10163A

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

Preview Lab → · Contrast checker → · Palette generator →