#212591#212591

#212591 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.8% C 0.172 H 271.6°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#212591
RGB	rgb(33, 37, 145)
HSL	hsl(238, 63%, 35%)
HSV	hsv(238, 77%, 57%)
CMYK	cmyk(77.2%, 74.5%, 0%, 43.1%)
CIE-LAB	lab(22.62, 36.93, -59.31)
CIE-LCH	lch(22.62, 69.87, 301.91°)
OKLab	oklab(34.84% 0.0049 -0.1717)
OKLCH	oklch(34.84% 0.172 271.6)
XYZ	xyz(6.3979, 3.6901, 27.1577)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212591 #918D21

analogous

#215D91 #212591 #552191

triadic

#212591 #912125 #259121

tetradic

#212591 #91215D #918D21 #219155

square

#212591 #91215D #918D21 #219155

split-complementary

#212591 #915521 #5D9121

monochromatic

#0A0C2D #16185F #212591 #2C32C3 #5459D8

Accessibility & contrast

On white

12.08

#212591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#212591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212591

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212591	#FFFFFF	#000000	##FFFFFF
##212591	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B94

Deuteranopia (green-blind)

#00308F

Tritanopia (blue-blind)

#004459

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #212591;
/* rgb */ color: rgb(33, 37, 145);
/* oklch */ color: oklch(34.8% 0.172 271.6);

Tailwind

colors: {
  custom: {
    50: '#7061b2',
    500: '#212591',
    950: '#000000',
  },
}

SCSS

$custom: #212591;
$custom-light: #7061b2;
$custom-dark: #000000;

JSON

{
  "hex": "#212591",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 145
  },
  "hsl": {
    "h": 237.857,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34844,
    "c": 0.17175,
    "h": 271.6
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#212591

secondary

#BCB852

accent

#E042E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #212591

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

Preview Lab → · Contrast checker → · Palette generator →