#213581#213581

#213581 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.130 H 268.0°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#213581
RGB	rgb(33, 53, 129)
HSL	hsl(228, 59%, 32%)
HSV	hsv(228, 74%, 51%)
CMYK	cmyk(74.4%, 58.9%, 0%, 49.4%)
CIE-LAB	lab(25.12, 20.31, -45.23)
CIE-LCH	lch(25.12, 49.58, 294.18°)
OKLab	oklab(36.21% -0.0045 -0.1304)
OKLCH	oklch(36.21% 0.13 268)
XYZ	xyz(5.8614, 4.4539, 21.3154)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213581 #816D21

analogous

#216581 #213581 #3D2181

triadic

#213581 #812135 #358121

tetradic

#213581 #812165 #816D21 #21813D

square

#213581 #812165 #816D21 #21813D

split-complementary

#213581 #813D21 #658121

monochromatic

#080D20 #152150 #213581 #2D49B2 #4B67D1

Accessibility & contrast

On white

11.11

#213581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#213581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213581

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213581	#FFFFFF	#000000	##FFFFFF
##213581	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004084

Deuteranopia (green-blind)

#003780

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #213581;
/* rgb */ color: rgb(33, 53, 129);
/* oklch */ color: oklch(36.2% 0.130 268.0);

Tailwind

colors: {
  custom: {
    50: '#6b6ba6',
    500: '#213581',
    950: '#000000',
  },
}

SCSS

$custom: #213581;
$custom-light: #6b6ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#213581",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 129
  },
  "hsl": {
    "h": 227.5,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36212,
    "c": 0.13048,
    "h": 268
  },
  "luminance": 0.04455
}

Semantic roles & 50–950 ramp

primary

#213581

secondary

#B49E4A

accent

#C245E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #213581

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

Preview Lab → · Contrast checker → · Palette generator →