#213C71#213C71

#213C71 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.097 H 262.3°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#213C71
RGB	rgb(33, 60, 113)
HSL	hsl(220, 55%, 29%)
HSV	hsv(220, 71%, 44%)
CMYK	cmyk(70.8%, 46.9%, 0%, 55.7%)
CIE-LAB	lab(26.00, 9.05, -33.69)
CIE-LCH	lch(26.00, 34.89, 285.03°)
OKLab	oklab(36.5% -0.013 -0.0963)
OKLCH	oklch(36.5% 0.097 262.3)
XYZ	xyz(5.2226, 4.7468, 16.2606)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C71 #715621

analogous

#216471 #213C71 #2E2171

triadic

#213C71 #71213C #3C7121

tetradic

#213C71 #712164 #715621 #21712E

square

#213C71 #712164 #715621 #21712E

split-complementary

#213C71 #712E21 #647121

monochromatic

#070D18 #132342 #213C71 #2F55A0 #4471C8

Accessibility & contrast

On white

10.77

#213C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#213C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C71

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C71	#FFFFFF	#000000	##FFFFFF
##213C71	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224173

Deuteranopia (green-blind)

#143A70

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213c71;
/* rgb */ color: rgb(33, 60, 113);
/* oklch */ color: oklch(36.5% 0.097 262.3);

Tailwind

colors: {
  custom: {
    50: '#66719a',
    500: '#213c71',
    950: '#000000',
  },
}

SCSS

$custom: #213c71;
$custom-light: #66719a;
$custom-dark: #000000;

JSON

{
  "hex": "#213c71",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 113
  },
  "hsl": {
    "h": 219.75,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36505,
    "c": 0.09721,
    "h": 262.3
  },
  "luminance": 0.04747
}

Semantic roles & 50–950 ramp

primary

#213C71

secondary

#A58649

accent

#AC4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213C71

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

Preview Lab → · Contrast checker → · Palette generator →