#213681#213681

#213681 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.129 H 267.6°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#213681
RGB	rgb(33, 54, 129)
HSL	hsl(227, 59%, 32%)
HSV	hsv(227, 74%, 51%)
CMYK	cmyk(74.4%, 58.1%, 0%, 49.4%)
CIE-LAB	lab(25.40, 19.61, -44.78)
CIE-LCH	lch(25.40, 48.88, 293.65°)
OKLab	oklab(36.42% -0.0053 -0.129)
OKLCH	oklch(36.42% 0.129 267.6)
XYZ	xyz(5.9074, 4.5460, 21.3308)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213681 #816C21

analogous

#216681 #213681 #3C2181

triadic

#213681 #812136 #368121

tetradic

#213681 #812166 #816C21 #21813C

square

#213681 #812166 #816C21 #21813C

split-complementary

#213681 #813C21 #668121

monochromatic

#080D20 #152250 #213681 #2D4AB2 #4B69D1

Accessibility & contrast

On white

11.00

#213681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#213681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213681

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213681	#FFFFFF	#000000	##FFFFFF
##213681	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004184

Deuteranopia (green-blind)

#003880

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #213681;
/* rgb */ color: rgb(33, 54, 129);
/* oklch */ color: oklch(36.4% 0.129 267.6);

Tailwind

colors: {
  custom: {
    50: '#6a6ca6',
    500: '#213681',
    950: '#000000',
  },
}

SCSS

$custom: #213681;
$custom-light: #6a6ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#213681",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 129
  },
  "hsl": {
    "h": 226.875,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36423,
    "c": 0.12915,
    "h": 267.6
  },
  "luminance": 0.04547
}

Semantic roles & 50–950 ramp

primary

#213681

secondary

#B49D4A

accent

#C045E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213681

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

Preview Lab → · Contrast checker → · Palette generator →