#213381#213381

#213381 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.133 H 268.8°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#213381
RGB	rgb(33, 51, 129)
HSL	hsl(229, 59%, 32%)
HSV	hsv(229, 74%, 51%)
CMYK	cmyk(74.4%, 60.5%, 0%, 49.4%)
CIE-LAB	lab(24.56, 21.70, -46.14)
CIE-LCH	lch(24.56, 50.99, 295.19°)
OKLab	oklab(35.8% -0.0029 -0.1331)
OKLCH	oklch(35.8% 0.133 268.8)
XYZ	xyz(5.7721, 4.2754, 21.2857)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213381 #816F21

analogous

#216381 #213381 #3F2181

triadic

#213381 #812133 #338121

tetradic

#213381 #812163 #816F21 #21813F

square

#213381 #812163 #816F21 #21813F

split-complementary

#213381 #813F21 #638121

monochromatic

#080C20 #152050 #213381 #2D46B2 #4B64D1

Accessibility & contrast

On white

11.32

#213381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#213381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213381

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213381	#FFFFFF	#000000	##FFFFFF
##213381	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F84

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #213381;
/* rgb */ color: rgb(33, 51, 129);
/* oklch */ color: oklch(35.8% 0.133 268.8);

Tailwind

colors: {
  custom: {
    50: '#6b6aa6',
    500: '#213381',
    950: '#000000',
  },
}

SCSS

$custom: #213381;
$custom-light: #6b6aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#213381",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 129
  },
  "hsl": {
    "h": 228.75,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35796,
    "c": 0.13313,
    "h": 268.8
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#213381

secondary

#B4A04A

accent

#C545E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #213381

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

Preview Lab → · Contrast checker → · Palette generator →