#213C79#213C79

#213C79 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.109 H 263.9°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#213C79
RGB	rgb(33, 60, 121)
HSL	hsl(222, 57%, 30%)
HSV	hsv(222, 73%, 47%)
CMYK	cmyk(72.7%, 50.4%, 0%, 52.5%)
CIE-LAB	lab(26.55, 12.23, -37.89)
CIE-LCH	lch(26.55, 39.81, 287.89°)
OKLab	oklab(37.1% -0.0116 -0.1087)
OKLCH	oklch(37.1% 0.109 263.9)
XYZ	xyz(5.6930, 4.9349, 18.7380)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C79 #795E21

analogous

#216879 #213C79 #322179

triadic

#213C79 #79213C #3C7921

tetradic

#213C79 #792168 #795E21 #217932

square

#213C79 #792168 #795E21 #217932

split-complementary

#213C79 #793221 #687921

monochromatic

#070C19 #142449 #213C79 #2E54A9 #4770CD

Accessibility & contrast

On white

10.57

#213C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#213C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C79

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C79	#FFFFFF	#000000	##FFFFFF
##213C79	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B437B

Deuteranopia (green-blind)

#033B78

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213c79;
/* rgb */ color: rgb(33, 60, 121);
/* oklch */ color: oklch(37.1% 0.109 263.9);

Tailwind

colors: {
  custom: {
    50: '#6871a0',
    500: '#213c79',
    950: '#000000',
  },
}

SCSS

$custom: #213c79;
$custom-light: #6871a0;
$custom-dark: #000000;

JSON

{
  "hex": "#213c79",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 121
  },
  "hsl": {
    "h": 221.591,
    "s": 57.143,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37101,
    "c": 0.10929,
    "h": 263.9
  },
  "luminance": 0.04936
}

Semantic roles & 50–950 ramp

primary

#213C79

secondary

#AC8E4A

accent

#B147E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #213C79

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

Preview Lab → · Contrast checker → · Palette generator →