#213688#213688

#213688 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.139 H 267.9°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#213688
RGB	rgb(33, 54, 136)
HSL	hsl(228, 61%, 33%)
HSV	hsv(228, 76%, 53%)
CMYK	cmyk(75.7%, 60.3%, 0%, 46.7%)
CIE-LAB	lab(25.98, 22.36, -48.21)
CIE-LCH	lch(25.98, 53.15, 294.88°)
OKLab	oklab(37.04% -0.0051 -0.1391)
OKLCH	oklch(37.04% 0.139 267.9)
XYZ	xyz(6.3888, 4.7386, 23.8657)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213688 #887321

analogous

#216988 #213688 #3F2188

triadic

#213688 #882136 #368821

tetradic

#213688 #882169 #887321 #21883F

square

#213688 #882169 #887321 #21883F

split-complementary

#213688 #883F21 #698821

monochromatic

#090F25 #152257 #213688 #2D4AB9 #4F6AD4

Accessibility & contrast

On white

10.78

#213688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#213688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213688

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213688	#FFFFFF	#000000	##FFFFFF
##213688	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213688;
/* rgb */ color: rgb(33, 54, 136);
/* oklch */ color: oklch(37.0% 0.139 267.9);

Tailwind

colors: {
  custom: {
    50: '#6c6cab',
    500: '#213688',
    950: '#000000',
  },
}

SCSS

$custom: #213688;
$custom-light: #6c6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#213688",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 136
  },
  "hsl": {
    "h": 227.767,
    "s": 60.947,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37035,
    "c": 0.13923,
    "h": 267.9
  },
  "luminance": 0.04739
}

Semantic roles & 50–950 ramp

primary

#213688

secondary

#B8A24D

accent

#C344E4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213688

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

Preview Lab → · Contrast checker → · Palette generator →