#21409C#21409C

#21409C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.154 H 265.6°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#21409C
RGB	rgb(33, 64, 156)
HSL	hsl(225, 65%, 37%)
HSV	hsv(225, 79%, 61%)
CMYK	cmyk(78.8%, 59%, 0%, 38.8%)
CIE-LAB	lab(30.37, 23.35, -53.34)
CIE-LCH	lch(30.37, 58.22, 293.64°)
OKLab	oklab(40.84% -0.0117 -0.154)
OKLCH	oklch(40.84% 0.154 265.6)
XYZ	xyz(8.4592, 6.3895, 32.2335)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21409C #9C7D21

analogous

#217E9C #21409C #40219C

triadic

#21409C #9C2140 #409C21

tetradic

#21409C #9C217E #9C7D21 #219C40

square

#21409C #9C217E #9C7D21 #219C40

split-complementary

#21409C #9C4021 #7E9C21

monochromatic

#0C1737 #162B69 #21409C #2C55CF #5B7CDC

Accessibility & contrast

On white

9.22

#21409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#21409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21409C

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21409C	#FFFFFF	#000000	##FFFFFF
##21409C	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21409c;
/* rgb */ color: rgb(33, 64, 156);
/* oklch */ color: oklch(40.8% 0.154 265.6);

Tailwind

colors: {
  custom: {
    50: '#7174ba',
    500: '#21409c',
    950: '#000000',
  },
}

SCSS

$custom: #21409c;
$custom-light: #7174ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21409c",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 224.878,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40843,
    "c": 0.15449,
    "h": 265.6
  },
  "luminance": 0.0639
}

Semantic roles & 50–950 ramp

primary

#21409C

secondary

#C1A658

accent

#BE40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21409C

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

Preview Lab → · Contrast checker → · Palette generator →