#21408C#21408C

#21408C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.132 H 264.4°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#21408C
RGB	rgb(33, 64, 140)
HSL	hsl(223, 62%, 34%)
HSV	hsv(223, 76%, 55%)
CMYK	cmyk(76.4%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(29.11, 17.03, -45.60)
CIE-LCH	lch(29.11, 48.67, 290.48°)
OKLab	oklab(39.5% -0.0129 -0.1313)
OKLCH	oklch(39.5% 0.132 264.4)
XYZ	xyz(7.1925, 5.8828, 25.5623)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21408C #8C6D21

analogous

#21768C #21408C #38218C

triadic

#21408C #8C2140 #408C21

tetradic

#21408C #8C2176 #8C6D21 #218C38

square

#21408C #8C2176 #8C6D21 #218C38

split-complementary

#21408C #8C3821 #768C21

monochromatic

#0A1329 #15295A #21408C #2D57BE #5178D6

Accessibility & contrast

On white

9.65

#21408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#21408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21408C

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21408C	#FFFFFF	#000000	##FFFFFF
##21408C	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084A8F

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21408c;
/* rgb */ color: rgb(33, 64, 140);
/* oklch */ color: oklch(39.5% 0.132 264.4);

Tailwind

colors: {
  custom: {
    50: '#6d74ae',
    500: '#21408c',
    950: '#000000',
  },
}

SCSS

$custom: #21408c;
$custom-light: #6d74ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21408c",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 222.617,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39497,
    "c": 0.13191,
    "h": 264.4
  },
  "luminance": 0.05884
}

Semantic roles & 50–950 ramp

primary

#21408C

secondary

#B99B4F

accent

#B643E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21408C

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

Preview Lab → · Contrast checker → · Palette generator →