#213F8D#213F8D

#213F8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.135 H 264.9°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#213F8D
RGB	rgb(33, 63, 141)
HSL	hsl(223, 62%, 34%)
HSV	hsv(223, 77%, 55%)
CMYK	cmyk(76.6%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(28.90, 18.11, -46.55)
CIE-LCH	lch(28.90, 49.95, 291.26°)
OKLab	oklab(39.36% -0.0119 -0.1341)
OKLCH	oklch(39.36% 0.135 264.9)
XYZ	xyz(7.2107, 5.8006, 25.9337)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213F8D #8D6F21

analogous

#21758D #213F8D #39218D

triadic

#213F8D #8D213F #3F8D21

tetradic

#213F8D #8D2175 #8D6F21 #218D39

square

#213F8D #8D2175 #8D6F21 #218D39

split-complementary

#213F8D #8D3921 #758D21

monochromatic

#0A132A #15295B #213F8D #2D55BF #5277D6

Accessibility & contrast

On white

9.72

#213F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#213F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213F8D

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213F8D	#FFFFFF	#000000	##FFFFFF
##213F8D	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #213f8d;
/* rgb */ color: rgb(33, 63, 141);
/* oklch */ color: oklch(39.4% 0.135 264.9);

Tailwind

colors: {
  custom: {
    50: '#6d73af',
    500: '#213f8d',
    950: '#000000',
  },
}

SCSS

$custom: #213f8d;
$custom-light: #6d73af;
$custom-dark: #000000;

JSON

{
  "hex": "#213f8d",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 223.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.13465,
    "h": 264.9
  },
  "luminance": 0.05801
}

Semantic roles & 50–950 ramp

primary

#213F8D

secondary

#BA9C50

accent

#B843E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #213F8D

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

Preview Lab → · Contrast checker → · Palette generator →