#153683#153683

#153683 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.135 H 263.5°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#153683
RGB	rgb(21, 54, 131)
HSL	hsl(222, 72%, 30%)
HSV	hsv(222, 84%, 51%)
CMYK	cmyk(84%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(25.06, 18.99, -46.60)
CIE-LCH	lch(25.06, 50.32, 292.17°)
OKLab	oklab(36.08% -0.0153 -0.1346)
OKLCH	oklch(36.08% 0.135 263.5)
XYZ	xyz(5.7237, 4.4358, 22.0229)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153683 #836215

analogous

#156D83 #153683 #2B1583

triadic

#153683 #831536 #368315

tetradic

#153683 #83156D #836215 #15832B

square

#153683 #83156D #836215 #15832B

split-complementary

#153683 #832B15 #6D8315

monochromatic

#040B1A #0D204E #153683 #1D4CB8 #3467DE

Accessibility & contrast

On white

11.13

#153683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#153683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153683

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153683	#FFFFFF	#000000	##FFFFFF
##153683	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003782

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153683;
/* rgb */ color: rgb(21, 54, 131);
/* oklch */ color: oklch(36.1% 0.135 263.5);

Tailwind

colors: {
  custom: {
    50: '#676ca8',
    500: '#153683',
    950: '#000000',
  },
}

SCSS

$custom: #153683;
$custom-light: #676ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#153683",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 222,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36082,
    "c": 0.13549,
    "h": 263.5
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#153683

secondary

#B8933C

accent

#B839EF

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #153683

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

Preview Lab → · Contrast checker → · Palette generator →