#213A79#213A79

#213A79 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.112 H 265.0°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#213A79
RGB	rgb(33, 58, 121)
HSL	hsl(223, 57%, 30%)
HSV	hsv(223, 73%, 47%)
CMYK	cmyk(72.7%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(25.95, 13.63, -38.85)
CIE-LCH	lch(25.95, 41.17, 289.33°)
OKLab	oklab(36.64% -0.0097 -0.1115)
OKLCH	oklch(36.64% 0.112 265)
XYZ	xyz(5.5902, 4.7294, 18.7037)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A79 #796021

analogous

#216679 #213A79 #342179

triadic

#213A79 #79213A #3A7921

tetradic

#213A79 #792166 #796021 #217934

square

#213A79 #792166 #796021 #217934

split-complementary

#213A79 #793421 #667921

monochromatic

#070C19 #142349 #213A79 #2E51A9 #476DCD

Accessibility & contrast

On white

10.79

#213A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#213A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A79

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A79	#FFFFFF	#000000	##FFFFFF
##213A79	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15427B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213a79;
/* rgb */ color: rgb(33, 58, 121);
/* oklch */ color: oklch(36.6% 0.112 265.0);

Tailwind

colors: {
  custom: {
    50: '#686fa0',
    500: '#213a79',
    950: '#000000',
  },
}

SCSS

$custom: #213a79;
$custom-light: #686fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#213a79",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 222.955,
    "s": 57.143,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36644,
    "c": 0.11196,
    "h": 265
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary

#213A79

secondary

#AC904A

accent

#B547E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #213A79

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

Preview Lab → · Contrast checker → · Palette generator →