#213599#213599

#213599 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.164 H 268.4°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#213599
RGB	rgb(33, 53, 153)
HSL	hsl(230, 65%, 36%)
HSV	hsv(230, 78%, 60%)
CMYK	cmyk(78.4%, 65.4%, 0%, 40%)
CIE-LAB	lab(27.21, 29.61, -56.68)
CIE-LCH	lch(27.21, 63.95, 297.58°)
OKLab	oklab(38.41% -0.0046 -0.164)
OKLCH	oklch(38.41% 0.164 268.4)
XYZ	xyz(7.6481, 5.1686, 30.7254)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213599 #998521

analogous

#217199 #213599 #492199

triadic

#213599 #992135 #359921

tetradic

#213599 #992171 #998521 #219949

square

#213599 #992171 #998521 #219949

split-complementary

#213599 #994921 #719921

monochromatic

#0B1234 #162467 #213599 #2C46CB #596FDB

Accessibility & contrast

On white

10.33

#213599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#213599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213599

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213599	#FFFFFF	#000000	##FFFFFF
##213599	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213599;
/* rgb */ color: rgb(33, 53, 153);
/* oklch */ color: oklch(38.4% 0.164 268.4);

Tailwind

colors: {
  custom: {
    50: '#716cb8',
    500: '#213599',
    950: '#000000',
  },
}

SCSS

$custom: #213599;
$custom-light: #716cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#213599",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 153
  },
  "hsl": {
    "h": 230,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38412,
    "c": 0.16405,
    "h": 268.4
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#213599

secondary

#BFAE56

accent

#CC40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #213599

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

Preview Lab → · Contrast checker → · Palette generator →