#21409D#21409D

#21409D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.156 H 265.7°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#21409D
RGB	rgb(33, 64, 157)
HSL	hsl(225, 65%, 37%)
HSV	hsv(225, 79%, 62%)
CMYK	cmyk(79%, 59.2%, 0%, 38.4%)
CIE-LAB	lab(30.46, 23.74, -53.81)
CIE-LCH	lch(30.46, 58.81, 293.80°)
OKLab	oklab(40.93% -0.0117 -0.1554)
OKLCH	oklch(40.93% 0.156 265.7)
XYZ	xyz(8.5443, 6.4235, 32.6813)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21409D #9D7E21

analogous

#217E9D #21409D #40219D

triadic

#21409D #9D2140 #409D21

tetradic

#21409D #9D217E #9D7E21 #219D40

square

#21409D #9D217E #9D7E21 #219D40

split-complementary

#21409D #9D4021 #7E9D21

monochromatic

#0C1738 #162B6A #21409D #2C55D0 #5C7CDD

Accessibility & contrast

On white

9.19

#21409D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#21409D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21409D

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21409D	#FFFFFF	#000000	##FFFFFF
##21409D	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21409d;
/* rgb */ color: rgb(33, 64, 157);
/* oklch */ color: oklch(40.9% 0.156 265.7);

Tailwind

colors: {
  custom: {
    50: '#7174bb',
    500: '#21409d',
    950: '#000000',
  },
}

SCSS

$custom: #21409d;
$custom-light: #7174bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21409d",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 157
  },
  "hsl": {
    "h": 225,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4093,
    "c": 0.15587,
    "h": 265.7
  },
  "luminance": 0.06424
}

Semantic roles & 50–950 ramp

primary

#21409D

secondary

#C1A759

accent

#BE40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21409D

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

Preview Lab → · Contrast checker → · Palette generator →