#153773#153773

#153773 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.111 H 260.8°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#153773
RGB	rgb(21, 55, 115)
HSL	hsl(218, 69%, 27%)
HSV	hsv(218, 82%, 45%)
CMYK	cmyk(81.7%, 52.2%, 0%, 54.9%)
CIE-LAB	lab(24.09, 11.60, -38.06)
CIE-LCH	lch(24.09, 39.79, 286.94°)
OKLab	oklab(34.95% -0.0177 -0.1095)
OKLCH	oklch(34.95% 0.111 260.8)
XYZ	xyz(4.7688, 4.1291, 16.7620)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153773 #735115

analogous

#156673 #153773 #221573

triadic

#153773 #731537 #377315

tetradic

#153773 #731566 #735115 #157322

square

#153773 #731566 #735115 #157322

split-complementary

#153773 #732215 #667315

monochromatic

#050C1A #0C1E3F #153773 #1E50A7 #2A69D8

Accessibility & contrast

On white

11.50

#153773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153773

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153773	#FFFFFF	#000000	##FFFFFF
##153773	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123E75

Deuteranopia (green-blind)

#003572

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153773;
/* rgb */ color: rgb(21, 55, 115);
/* oklch */ color: oklch(34.9% 0.111 260.8);

Tailwind

colors: {
  custom: {
    50: '#636d9c',
    500: '#153773',
    950: '#000000',
  },
}

SCSS

$custom: #153773;
$custom-light: #636d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#153773",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 115
  },
  "hsl": {
    "h": 218.298,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34946,
    "c": 0.11093,
    "h": 260.8
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#153773

secondary

#A9813B

accent

#AC3CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153773

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

Preview Lab → · Contrast checker → · Palette generator →