#212791#212791

#212791 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.170 H 271.3°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#212791
RGB	rgb(33, 39, 145)
HSL	hsl(237, 63%, 35%)
HSV	hsv(237, 77%, 57%)
CMYK	cmyk(77.2%, 73.1%, 0%, 43.1%)
CIE-LAB	lab(23.06, 35.70, -58.58)
CIE-LCH	lch(23.06, 68.61, 301.36°)
OKLab	oklab(35.16% 0.0039 -0.1696)
OKLCH	oklch(35.16% 0.17 271.3)
XYZ	xyz(6.4618, 3.8180, 27.1790)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212791 #918B21

analogous

#215F91 #212791 #532191

triadic

#212791 #912127 #279121

tetradic

#212791 #91215F #918B21 #219153

square

#212791 #91215F #918B21 #219153

split-complementary

#212791 #915321 #5F9121

monochromatic

#0A0C2D #161A5F #212791 #2C34C3 #545BD8

Accessibility & contrast

On white

11.91

#212791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#212791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212791

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212791	#FFFFFF	#000000	##FFFFFF
##212791	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00328F

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212791;
/* rgb */ color: rgb(33, 39, 145);
/* oklch */ color: oklch(35.2% 0.170 271.3);

Tailwind

colors: {
  custom: {
    50: '#7062b2',
    500: '#212791',
    950: '#000000',
  },
}

SCSS

$custom: #212791;
$custom-light: #7062b2;
$custom-dark: #000000;

JSON

{
  "hex": "#212791",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 145
  },
  "hsl": {
    "h": 236.786,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35159,
    "c": 0.16961,
    "h": 271.3
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#212791

secondary

#BCB652

accent

#DD42E6

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #212791

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

Preview Lab → · Contrast checker → · Palette generator →