#213B72#213B72

#213B72 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.100 H 263.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#213B72
RGB	rgb(33, 59, 114)
HSL	hsl(221, 55%, 29%)
HSV	hsv(221, 71%, 45%)
CMYK	cmyk(71.1%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(25.76, 10.15, -34.72)
CIE-LCH	lch(25.76, 36.17, 286.29°)
OKLab	oklab(36.34% -0.0117 -0.0994)
OKLCH	oklch(36.34% 0.1 263.3)
XYZ	xyz(5.2274, 4.6656, 16.5414)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B72 #725821

analogous

#216472 #213B72 #302172

triadic

#213B72 #72213B #3B7221

tetradic

#213B72 #722164 #725821 #217230

square

#213B72 #722164 #725821 #217230

split-complementary

#213B72 #723021 #647221

monochromatic

#070C18 #132243 #213B72 #2F54A1 #446FC9

Accessibility & contrast

On white

10.86

#213B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#213B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B72

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B72	#FFFFFF	#000000	##FFFFFF
##213B72	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4174

Deuteranopia (green-blind)

#0F3A71

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #213b72;
/* rgb */ color: rgb(33, 59, 114);
/* oklch */ color: oklch(36.3% 0.100 263.3);

Tailwind

colors: {
  custom: {
    50: '#67709b',
    500: '#213b72',
    950: '#000000',
  },
}

SCSS

$custom: #213b72;
$custom-light: #67709b;
$custom-dark: #000000;

JSON

{
  "hex": "#213b72",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 220.741,
    "s": 55.102,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36342,
    "c": 0.10005,
    "h": 263.3
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#213B72

secondary

#A58849

accent

#AF49DE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213B72

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

Preview Lab → · Contrast checker → · Palette generator →