#213B79#213B79

#213B79 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.111 H 264.5°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#213B79
RGB	rgb(33, 59, 121)
HSL	hsl(222, 57%, 30%)
HSV	hsv(222, 73%, 47%)
CMYK	cmyk(72.7%, 51.2%, 0%, 52.5%)
CIE-LAB	lab(26.25, 12.93, -38.37)
CIE-LCH	lch(26.25, 40.49, 288.62°)
OKLab	oklab(36.87% -0.0106 -0.1101)
OKLCH	oklch(36.87% 0.111 264.5)
XYZ	xyz(5.6411, 4.8312, 18.7207)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B79 #795F21

analogous

#216779 #213B79 #332179

triadic

#213B79 #79213B #3B7921

tetradic

#213B79 #792167 #795F21 #217933

square

#213B79 #792167 #795F21 #217933

split-complementary

#213B79 #793321 #677921

monochromatic

#070C19 #142449 #213B79 #2E52A9 #476FCD

Accessibility & contrast

On white

10.68

#213B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#213B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B79

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B79	#FFFFFF	#000000	##FFFFFF
##213B79	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18427B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213b79;
/* rgb */ color: rgb(33, 59, 121);
/* oklch */ color: oklch(36.9% 0.111 264.5);

Tailwind

colors: {
  custom: {
    50: '#6870a0',
    500: '#213b79',
    950: '#000000',
  },
}

SCSS

$custom: #213b79;
$custom-light: #6870a0;
$custom-dark: #000000;

JSON

{
  "hex": "#213b79",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 222.273,
    "s": 57.143,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36872,
    "c": 0.11062,
    "h": 264.5
  },
  "luminance": 0.04832
}

Semantic roles & 50–950 ramp

primary

#213B79

secondary

#AC8F4A

accent

#B347E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #213B79

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

Preview Lab → · Contrast checker → · Palette generator →