#213B8E#213B8E

#213B8E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.141 H 266.5°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#213B8E
RGB	rgb(33, 59, 142)
HSL	hsl(226, 62%, 34%)
HSV	hsv(226, 77%, 56%)
CMYK	cmyk(76.8%, 58.5%, 0%, 44.3%)
CIE-LAB	lab(27.85, 21.27, -48.87)
CIE-LCH	lch(27.85, 53.30, 293.52°)
OKLab	oklab(38.6% -0.0087 -0.141)
OKLCH	oklch(38.6% 0.141 266.5)
XYZ	xyz(7.0719, 5.4035, 26.2562)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B8E #8E7421

analogous

#21728E #213B8E #3E218E

triadic

#213B8E #8E213B #3B8E21

tetradic

#213B8E #8E2172 #8E7421 #218E3E

square

#213B8E #8E2172 #8E7421 #218E3E

split-complementary

#213B8E #8E3E21 #728E21

monochromatic

#0A122B #15265C #213B8E #2D50C0 #5272D7

Accessibility & contrast

On white

10.09

#213B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#213B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B8E

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B8E	#FFFFFF	#000000	##FFFFFF
##213B8E	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213b8e;
/* rgb */ color: rgb(33, 59, 142);
/* oklch */ color: oklch(38.6% 0.141 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d70b0',
    500: '#213b8e',
    950: '#000000',
  },
}

SCSS

$custom: #213b8e;
$custom-light: #6d70b0;
$custom-dark: #000000;

JSON

{
  "hex": "#213b8e",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 142
  },
  "hsl": {
    "h": 225.688,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38596,
    "c": 0.14128,
    "h": 266.5
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#213B8E

secondary

#BAA150

accent

#BE42E5

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213B8E

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

Preview Lab → · Contrast checker → · Palette generator →