#10204A#10204A

#10204A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.081 H 265.4°. Best body text is #FFFFFF at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#10204A
RGB	rgb(16, 32, 74)
HSL	hsl(223, 64%, 18%)
HSV	hsv(223, 78%, 29%)
CMYK	cmyk(78.4%, 56.8%, 0%, 71%)
CIE-LAB	lab(13.46, 10.28, -28.13)
CIE-LCH	lch(13.46, 29.95, 290.08°)
OKLab	oklab(25.76% -0.0065 -0.0808)
OKLCH	oklch(25.76% 0.081 265.4)
XYZ	xyz(1.9658, 1.6374, 6.6897)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10204A #4A3A10

analogous

#103D4A #10204A #1D104A

triadic

#10204A #4A1020 #204A10

tetradic

#10204A #4A103D #4A3A10 #104A1D

square

#10204A #4A103D #4A3A10 #104A1D

split-complementary

#10204A #4A1D10 #3D4A10

monochromatic

#050B19 #050B19 #10204A #1B367C #264CAF

Accessibility & contrast

On white

15.82

#10204A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#10204A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10204A

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10204A	#FFFFFF	#000000	##FFFFFF
##10204A	1.00	15.82	1.33	15.82
#FFFFFF	15.82	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06254C

Deuteranopia (green-blind)

#002049

Tritanopia (blue-blind)

#002A31

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #10204a;
/* rgb */ color: rgb(16, 32, 74);
/* oklch */ color: oklch(25.8% 0.081 265.4);

Tailwind

colors: {
  custom: {
    50: '#575a7d',
    500: '#10204a',
    950: '#000000',
  },
}

SCSS

$custom: #10204a;
$custom-light: #575a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10204a",
  "rgb": {
    "r": 16,
    "g": 32,
    "b": 74
  },
  "hsl": {
    "h": 223.448,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25759,
    "c": 0.0811,
    "h": 265.4
  },
  "luminance": 0.01638
}

Semantic roles & 50–950 ramp

primary

#10204A

secondary

#846D32

accent

#B940E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #10204A

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

Preview Lab → · Contrast checker → · Palette generator →