#213D79#213D79

#213D79 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.108 H 263.3°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#213D79
RGB	rgb(33, 61, 121)
HSL	hsl(221, 57%, 30%)
HSV	hsv(221, 73%, 47%)
CMYK	cmyk(72.7%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(26.85, 11.54, -37.40)
CIE-LCH	lch(26.85, 39.14, 287.14°)
OKLab	oklab(37.33% -0.0126 -0.1072)
OKLCH	oklch(37.33% 0.108 263.3)
XYZ	xyz(5.7459, 5.0407, 18.7556)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D79 #795D21

analogous

#216979 #213D79 #312179

triadic

#213D79 #79213D #3D7921

tetradic

#213D79 #792169 #795D21 #217931

square

#213D79 #792169 #795D21 #217931

split-complementary

#213D79 #793121 #697921

monochromatic

#070D19 #142549 #213D79 #2E55A9 #4772CD

Accessibility & contrast

On white

10.46

#213D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#213D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D79

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D79	#FFFFFF	#000000	##FFFFFF
##213D79	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D447B

Deuteranopia (green-blind)

#073C78

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213d79;
/* rgb */ color: rgb(33, 61, 121);
/* oklch */ color: oklch(37.3% 0.108 263.3);

Tailwind

colors: {
  custom: {
    50: '#6872a0',
    500: '#213d79',
    950: '#000000',
  },
}

SCSS

$custom: #213d79;
$custom-light: #6872a0;
$custom-dark: #000000;

JSON

{
  "hex": "#213d79",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 220.909,
    "s": 57.143,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37332,
    "c": 0.10796,
    "h": 263.3
  },
  "luminance": 0.05041
}

Semantic roles & 50–950 ramp

primary

#213D79

secondary

#AC8D4A

accent

#B047E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #213D79

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

Preview Lab → · Contrast checker → · Palette generator →