#213D91#213D91

#213D91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.143 H 266.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#213D91
RGB	rgb(33, 61, 145)
HSL	hsl(225, 63%, 35%)
HSV	hsv(225, 77%, 57%)
CMYK	cmyk(77.2%, 57.9%, 0%, 43.1%)
CIE-LAB	lab(28.65, 21.08, -49.42)
CIE-LCH	lch(28.65, 53.73, 293.10°)
OKLab	oklab(39.27% -0.0101 -0.1426)
OKLCH	oklch(39.27% 0.143 266)
XYZ	xyz(7.4050, 5.7043, 27.4934)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D91 #917521

analogous

#217591 #213D91 #3D2191

triadic

#213D91 #91213D #3D9121

tetradic

#213D91 #912175 #917521 #21913D

square

#213D91 #912175 #917521 #21913D

split-complementary

#213D91 #913D21 #759121

monochromatic

#0A132D #16285F #213D91 #2C52C3 #5475D8

Accessibility & contrast

On white

9.81

#213D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#213D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D91

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D91	#FFFFFF	#000000	##FFFFFF
##213D91	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #213d91;
/* rgb */ color: rgb(33, 61, 145);
/* oklch */ color: oklch(39.3% 0.143 266.0);

Tailwind

colors: {
  custom: {
    50: '#6e72b2',
    500: '#213d91',
    950: '#000000',
  },
}

SCSS

$custom: #213d91;
$custom-light: #6e72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#213d91",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 145
  },
  "hsl": {
    "h": 225,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39272,
    "c": 0.14294,
    "h": 266
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#213D91

secondary

#BCA152

accent

#BD42E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213D91

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

Preview Lab → · Contrast checker → · Palette generator →