#153573#153573

#153573 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.114 H 261.9°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#153573
RGB	rgb(21, 53, 115)
HSL	hsl(220, 69%, 27%)
HSV	hsv(220, 82%, 45%)
CMYK	cmyk(81.7%, 53.9%, 0%, 54.9%)
CIE-LAB	lab(23.48, 13.03, -39.05)
CIE-LCH	lch(23.48, 41.17, 288.45°)
OKLab	oklab(34.48% -0.0161 -0.1124)
OKLCH	oklch(34.48% 0.114 261.9)
XYZ	xyz(4.6758, 3.9429, 16.7310)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153573 #735315

analogous

#156473 #153573 #241573

triadic

#153573 #731535 #357315

tetradic

#153573 #731564 #735315 #157324

square

#153573 #731564 #735315 #157324

split-complementary

#153573 #732415 #647315

monochromatic

#050C1A #0C1D3F #153573 #1E4DA7 #2A65D8

Accessibility & contrast

On white

11.74

#153573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153573

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153573	#FFFFFF	#000000	##FFFFFF
##153573	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153573;
/* rgb */ color: rgb(21, 53, 115);
/* oklch */ color: oklch(34.5% 0.114 261.9);

Tailwind

colors: {
  custom: {
    50: '#636b9c',
    500: '#153573',
    950: '#000000',
  },
}

SCSS

$custom: #153573;
$custom-light: #636b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#153573",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 115
  },
  "hsl": {
    "h": 219.574,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34479,
    "c": 0.11359,
    "h": 261.9
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#153573

secondary

#A9833B

accent

#B03CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #153573

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

Preview Lab → · Contrast checker → · Palette generator →