#213E8B#213E8B

#213E8B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.133 H 265.1°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#213E8B
RGB	rgb(33, 62, 139)
HSL	hsl(224, 62%, 34%)
HSV	hsv(224, 76%, 55%)
CMYK	cmyk(76.3%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.46, 18.01, -46.03)
CIE-LCH	lch(28.46, 49.43, 291.37°)
OKLab	oklab(38.98% -0.0113 -0.1326)
OKLCH	oklch(38.98% 0.133 265.1)
XYZ	xyz(7.0084, 5.6319, 25.1388)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213E8B #8B6E21

analogous

#21738B #213E8B #39218B

triadic

#213E8B #8B213E #3E8B21

tetradic

#213E8B #8B2173 #8B6E21 #218B39

square

#213E8B #8B2173 #8B6E21 #218B39

split-complementary

#213E8B #8B3921 #738B21

monochromatic

#0A1228 #15285A #213E8B #2D54BC #5175D6

Accessibility & contrast

On white

9.87

#213E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#213E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213E8B

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213E8B	#FFFFFF	#000000	##FFFFFF
##213E8B	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213e8b;
/* rgb */ color: rgb(33, 62, 139);
/* oklch */ color: oklch(39.0% 0.133 265.1);

Tailwind

colors: {
  custom: {
    50: '#6c72ad',
    500: '#213e8b',
    950: '#000000',
  },
}

SCSS

$custom: #213e8b;
$custom-light: #6c72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#213e8b",
  "rgb": {
    "r": 33,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 223.585,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.3898,
    "c": 0.13308,
    "h": 265.1
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#213E8B

secondary

#B99C4F

accent

#B843E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #213E8B

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

Preview Lab → · Contrast checker → · Palette generator →