#213B80#213B80

#213B80 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.4% C 0.121 H 265.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#213B80
RGB	rgb(33, 59, 128)
HSL	hsl(224, 59%, 32%)
HSV	hsv(224, 74%, 50%)
CMYK	cmyk(74.2%, 53.9%, 0%, 49.8%)
CIE-LAB	lab(26.76, 15.72, -41.95)
CIE-LCH	lch(26.76, 44.79, 290.55°)
OKLab	oklab(37.43% -0.0098 -0.1206)
OKLCH	oklch(37.43% 0.121 265.4)
XYZ	xyz(6.0861, 5.0091, 21.0640)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B80 #806621

analogous

#216B80 #213B80 #372180

triadic

#213B80 #80213B #3B8021

tetradic

#213B80 #80216B #806621 #218037

square

#213B80 #80216B #806621 #218037

split-complementary

#213B80 #803721 #6B8021

monochromatic

#080E1F #14254F #213B80 #2E51B1 #4B6FD1

Accessibility & contrast

On white

10.49

#213B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#213B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B80

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B80	#FFFFFF	#000000	##FFFFFF
##213B80	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4482

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #213b80;
/* rgb */ color: rgb(33, 59, 128);
/* oklch */ color: oklch(37.4% 0.121 265.4);

Tailwind

colors: {
  custom: {
    50: '#6a70a5',
    500: '#213b80',
    950: '#000000',
  },
}

SCSS

$custom: #213b80;
$custom-light: #6a70a5;
$custom-dark: #000000;

JSON

{
  "hex": "#213b80",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 128
  },
  "hsl": {
    "h": 223.579,
    "s": 59.006,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37425,
    "c": 0.12102,
    "h": 265.4
  },
  "luminance": 0.0501
}

Semantic roles & 50–950 ramp

primary

#213B80

secondary

#B3964A

accent

#B746E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213B80

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

Preview Lab → · Contrast checker → · Palette generator →