#213D71#213D71

#213D71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.096 H 261.6°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#213D71
RGB	rgb(33, 61, 113)
HSL	hsl(219, 55%, 29%)
HSV	hsv(219, 71%, 44%)
CMYK	cmyk(70.8%, 46%, 0%, 55.7%)
CIE-LAB	lab(26.31, 8.35, -33.20)
CIE-LCH	lch(26.31, 34.23, 284.13°)
OKLab	oklab(36.74% -0.014 -0.0949)
OKLCH	oklch(36.74% 0.096 261.6)
XYZ	xyz(5.2755, 4.8525, 16.2782)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D71 #715521

analogous

#216571 #213D71 #2D2171

triadic

#213D71 #71213D #3D7121

tetradic

#213D71 #712165 #715521 #21712D

square

#213D71 #712165 #715521 #21712D

split-complementary

#213D71 #712D21 #657121

monochromatic

#070D18 #132342 #213D71 #2F57A0 #4472C8

Accessibility & contrast

On white

10.66

#213D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#213D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D71

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D71	#FFFFFF	#000000	##FFFFFF
##213D71	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244273

Deuteranopia (green-blind)

#163B70

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213d71;
/* rgb */ color: rgb(33, 61, 113);
/* oklch */ color: oklch(36.7% 0.096 261.6);

Tailwind

colors: {
  custom: {
    50: '#66729a',
    500: '#213d71',
    950: '#000000',
  },
}

SCSS

$custom: #213d71;
$custom-light: #66729a;
$custom-dark: #000000;

JSON

{
  "hex": "#213d71",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 219,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36743,
    "c": 0.09589,
    "h": 261.6
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary

#213D71

secondary

#A58549

accent

#AA4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213D71

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

Preview Lab → · Contrast checker → · Palette generator →