#213C66#213C66

#213C66 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.080 H 258.9°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#213C66
RGB	rgb(33, 60, 102)
HSL	hsl(217, 51%, 26%)
HSV	hsv(217, 68%, 40%)
CMYK	cmyk(67.6%, 41.2%, 0%, 60%)
CIE-LAB	lab(25.30, 4.72, -27.76)
CIE-LCH	lch(25.30, 28.16, 279.64°)
OKLab	oklab(35.74% -0.0154 -0.0789)
OKLCH	oklch(35.74% 0.08 258.9)
XYZ	xyz(4.6405, 4.5139, 13.1945)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C66 #664B21

analogous

#215F66 #213C66 #292166

triadic

#213C66 #66213C #3C6621

tetradic

#213C66 #66215F #664B21 #216629

square

#213C66 #66215F #664B21 #216629

split-complementary

#213C66 #662921 #5F6621

monochromatic

#070E17 #122138 #213C66 #305794 #4073C1

Accessibility & contrast

On white

11.04

#213C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#213C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C66

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C66	#FFFFFF	#000000	##FFFFFF
##213C66	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F68

Deuteranopia (green-blind)

#203965

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #213c66;
/* rgb */ color: rgb(33, 60, 102);
/* oklch */ color: oklch(35.7% 0.080 258.9);

Tailwind

colors: {
  custom: {
    50: '#647192',
    500: '#213c66',
    950: '#000000',
  },
}

SCSS

$custom: #213c66;
$custom-light: #647192;
$custom-dark: #000000;

JSON

{
  "hex": "#213c66",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 102
  },
  "hsl": {
    "h": 216.522,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35739,
    "c": 0.08041,
    "h": 258.9
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#213C66

secondary

#9A7A49

accent

#A34DDB

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #213C66

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

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