#153577#153577

#153577 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.119 H 262.5°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#153577
RGB	rgb(21, 53, 119)
HSL	hsl(220, 70%, 27%)
HSV	hsv(220, 82%, 47%)
CMYK	cmyk(82.4%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(23.79, 14.70, -41.09)
CIE-LCH	lch(23.79, 43.65, 289.69°)
OKLab	oklab(34.82% -0.0156 -0.1185)
OKLCH	oklch(34.82% 0.119 262.5)
XYZ	xyz(4.9109, 4.0370, 17.9696)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153577 #775715

analogous

#156677 #153577 #261577

triadic

#153577 #771535 #357715

tetradic

#153577 #771566 #775715 #157726

square

#153577 #771566 #775715 #157726

split-complementary

#153577 #772615 #667715

monochromatic

#050C1A #0C1E43 #153577 #1E4CAB #2D65DA

Accessibility & contrast

On white

11.62

#153577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#153577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153577

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153577	#FFFFFF	#000000	##FFFFFF
##153577	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153577;
/* rgb */ color: rgb(21, 53, 119);
/* oklch */ color: oklch(34.8% 0.119 262.5);

Tailwind

colors: {
  custom: {
    50: '#646b9f',
    500: '#153577',
    950: '#000000',
  },
}

SCSS

$custom: #153577;
$custom-light: #646b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#153577",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 220.408,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34815,
    "c": 0.11948,
    "h": 262.5
  },
  "luminance": 0.04038
}

Semantic roles & 50–950 ramp

primary

#153577

secondary

#AD883B

accent

#B33BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #153577

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

Preview Lab → · Contrast checker → · Palette generator →