#21408F#21408F

#21408F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.136 H 264.7°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#21408F
RGB	rgb(33, 64, 143)
HSL	hsl(223, 63%, 35%)
HSV	hsv(223, 77%, 56%)
CMYK	cmyk(76.9%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(29.34, 18.22, -47.07)
CIE-LCH	lch(29.34, 50.48, 291.16°)
OKLab	oklab(39.74% -0.0126 -0.1356)
OKLCH	oklch(39.74% 0.136 264.7)
XYZ	xyz(7.4168, 5.9725, 26.7432)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21408F #8F7021

analogous

#21778F #21408F #39218F

triadic

#21408F #8F2140 #408F21

tetradic

#21408F #8F2177 #8F7021 #218F39

square

#21408F #8F2177 #8F7021 #218F39

split-complementary

#21408F #8F3921 #778F21

monochromatic

#0A132C #162A5D #21408F #2C56C1 #5378D7

Accessibility & contrast

On white

9.57

#21408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#21408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21408F

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21408F	#FFFFFF	#000000	##FFFFFF
##21408F	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21408f;
/* rgb */ color: rgb(33, 64, 143);
/* oklch */ color: oklch(39.7% 0.136 264.7);

Tailwind

colors: {
  custom: {
    50: '#6d74b0',
    500: '#21408f',
    950: '#000000',
  },
}

SCSS

$custom: #21408f;
$custom-light: #6d74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21408f",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 223.091,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39742,
    "c": 0.13621,
    "h": 264.7
  },
  "luminance": 0.05973
}

Semantic roles & 50–950 ramp

primary

#21408F

secondary

#BB9D51

accent

#B842E6

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #21408F

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

Preview Lab → · Contrast checker → · Palette generator →