#213D8F#213D8F

#213D8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.140 H 265.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#213D8F
RGB	rgb(33, 61, 143)
HSL	hsl(225, 63%, 35%)
HSV	hsv(225, 77%, 56%)
CMYK	cmyk(76.9%, 57.3%, 0%, 43.9%)
CIE-LAB	lab(28.49, 20.29, -48.45)
CIE-LCH	lch(28.49, 52.53, 292.72°)
OKLab	oklab(39.1% -0.0102 -0.1397)
OKLCH	oklch(39.1% 0.14 265.8)
XYZ	xyz(7.2521, 5.6432, 26.6883)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D8F #8F7321

analogous

#21748F #213D8F #3C218F

triadic

#213D8F #8F213D #3D8F21

tetradic

#213D8F #8F2174 #8F7321 #218F3C

square

#213D8F #8F2174 #8F7321 #218F3C

split-complementary

#213D8F #8F3C21 #748F21

monochromatic

#0A132C #16285D #213D8F #2C52C1 #5375D7

Accessibility & contrast

On white

9.86

#213D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#213D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D8F

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D8F	#FFFFFF	#000000	##FFFFFF
##213D8F	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213d8f;
/* rgb */ color: rgb(33, 61, 143);
/* oklch */ color: oklch(39.1% 0.140 265.8);

Tailwind

colors: {
  custom: {
    50: '#6d72b0',
    500: '#213d8f',
    950: '#000000',
  },
}

SCSS

$custom: #213d8f;
$custom-light: #6d72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#213d8f",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 143
  },
  "hsl": {
    "h": 224.727,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39101,
    "c": 0.1401,
    "h": 265.8
  },
  "luminance": 0.05644
}

Semantic roles & 50–950 ramp

primary

#213D8F

secondary

#BBA051

accent

#BC42E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213D8F

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

Preview Lab → · Contrast checker → · Palette generator →