#213B77#213B77

#213B77 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.108 H 264.2°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#213B77
RGB	rgb(33, 59, 119)
HSL	hsl(222, 57%, 30%)
HSV	hsv(222, 72%, 47%)
CMYK	cmyk(72.3%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(26.11, 12.13, -37.33)
CIE-LCH	lch(26.11, 39.26, 288.01°)
OKLab	oklab(36.72% -0.0109 -0.1071)
OKLCH	oklch(36.72% 0.108 264.2)
XYZ	xyz(5.5198, 4.7826, 18.0814)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B77 #775D21

analogous

#216677 #213B77 #322177

triadic

#213B77 #77213B #3B7721

tetradic

#213B77 #772166 #775D21 #217732

square

#213B77 #772166 #775D21 #217732

split-complementary

#213B77 #773221 #667721

monochromatic

#070C18 #142347 #213B77 #2E53A7 #476FCC

Accessibility & contrast

On white

10.73

#213B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#213B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B77

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B77	#FFFFFF	#000000	##FFFFFF
##213B77	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4279

Deuteranopia (green-blind)

#043A76

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213b77;
/* rgb */ color: rgb(33, 59, 119);
/* oklch */ color: oklch(36.7% 0.108 264.2);

Tailwind

colors: {
  custom: {
    50: '#68709f',
    500: '#213b77',
    950: '#000000',
  },
}

SCSS

$custom: #213b77;
$custom-light: #68709f;
$custom-dark: #000000;

JSON

{
  "hex": "#213b77",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 221.86,
    "s": 56.579,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36718,
    "c": 0.10762,
    "h": 264.2
  },
  "luminance": 0.04783
}

Semantic roles & 50–950 ramp

primary

#213B77

secondary

#AA8D4A

accent

#B248E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #213B77

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

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