#153173#153173

#153173 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.119 H 263.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#153173
RGB	rgb(21, 49, 115)
HSL	hsl(222, 69%, 27%)
HSV	hsv(222, 82%, 45%)
CMYK	cmyk(81.7%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(22.28, 15.90, -41.00)
CIE-LCH	lch(22.28, 43.98, 291.20°)
OKLab	oklab(33.57% -0.0128 -0.1183)
OKLCH	oklch(33.57% 0.119 263.8)
XYZ	xyz(4.5010, 3.5933, 16.6727)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153173 #735715

analogous

#156073 #153173 #281573

triadic

#153173 #731531 #317315

tetradic

#153173 #731560 #735715 #157328

square

#153173 #731560 #735715 #157328

split-complementary

#153173 #732815 #607315

monochromatic

#050B1A #0C1B3F #153173 #1E47A7 #2A5ED8

Accessibility & contrast

On white

12.22

#153173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#153173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153173

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153173	#FFFFFF	#000000	##FFFFFF
##153173	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153173;
/* rgb */ color: rgb(21, 49, 115);
/* oklch */ color: oklch(33.6% 0.119 263.8);

Tailwind

colors: {
  custom: {
    50: '#63689c',
    500: '#153173',
    950: '#000000',
  },
}

SCSS

$custom: #153173;
$custom-light: #63689c;
$custom-dark: #000000;

JSON

{
  "hex": "#153173",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 222.128,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33566,
    "c": 0.11896,
    "h": 263.8
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#153173

secondary

#A9883B

accent

#B73CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #153173

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

Preview Lab → · Contrast checker → · Palette generator →