#213F83#213F83

#213F83 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.120 H 263.8°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#213F83
RGB	rgb(33, 63, 131)
HSL	hsl(222, 60%, 32%)
HSV	hsv(222, 75%, 51%)
CMYK	cmyk(74.8%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.16, 14.13, -41.56)
CIE-LCH	lch(28.16, 43.90, 288.78°)
OKLab	oklab(38.56% -0.013 -0.1194)
OKLCH	oklch(38.56% 0.12 263.8)
XYZ	xyz(6.5000, 5.5163, 22.1905)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213F83 #836521

analogous

#217083 #213F83 #342183

triadic

#213F83 #83213F #3F8321

tetradic

#213F83 #832170 #836521 #218334

square

#213F83 #832170 #836521 #218334

split-complementary

#213F83 #833421 #708321

monochromatic

#081021 #152752 #213F83 #2D57B4 #4C75D2

Accessibility & contrast

On white

9.98

#213F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#213F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213F83

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213F83	#FFFFFF	#000000	##FFFFFF
##213F83	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164785

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213f83;
/* rgb */ color: rgb(33, 63, 131);
/* oklch */ color: oklch(38.6% 0.120 263.8);

Tailwind

colors: {
  custom: {
    50: '#6a73a7',
    500: '#213f83',
    950: '#000000',
  },
}

SCSS

$custom: #213f83;
$custom-light: #6a73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#213f83",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 221.633,
    "s": 59.756,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38558,
    "c": 0.12014,
    "h": 263.8
  },
  "luminance": 0.05517
}

Semantic roles & 50–950 ramp

primary

#213F83

secondary

#B5954B

accent

#B345E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #213F83

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

Preview Lab → · Contrast checker → · Palette generator →