#2421AA#2421AA

#2421AA is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.3% C 0.205 H 271.4°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#2421AA
RGB	rgb(36, 33, 170)
HSL	hsl(241, 67%, 40%)
HSV	hsv(241, 81%, 67%)
CMYK	cmyk(78.8%, 80.6%, 0%, 33.3%)
CIE-LAB	lab(24.84, 47.78, -70.91)
CIE-LCH	lch(24.84, 85.50, 303.97°)
OKLab	oklab(37.29% 0.005 -0.2053)
OKLCH	oklch(37.29% 0.205 271.4)
XYZ	xyz(8.5247, 4.3641, 38.4155)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2421AA #A7AA21

analogous

#2162AA #2421AA #6921AA

triadic

#2421AA #AA2421 #21AA24

tetradic

#2421AA #AA2162 #A7AA21 #21AA69

square

#2421AA #AA2162 #A7AA21 #21AA69

split-complementary

#2421AA #AA6921 #62AA21

monochromatic

#0E0D43 #191777 #2421AA #3531D7 #6764E1

Accessibility & contrast

On white

11.21

#2421AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2421AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2421AA

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2421AA	#FFFFFF	#000000	##FFFFFF
##2421AA	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AE

Deuteranopia (green-blind)

#0034A8

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2421aa;
/* rgb */ color: rgb(36, 33, 170);
/* oklch */ color: oklch(37.3% 0.205 271.4);

Tailwind

colors: {
  custom: {
    50: '#7860c5',
    500: '#2421aa',
    950: '#000000',
  },
}

SCSS

$custom: #2421aa;
$custom-light: #7860c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2421aa",
  "rgb": {
    "r": 36,
    "g": 33,
    "b": 170
  },
  "hsl": {
    "h": 241.314,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37286,
    "c": 0.20532,
    "h": 271.4
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#2421AA

secondary

#C4C661

accent

#EA3DE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2421AA

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

Preview Lab → · Contrast checker → · Palette generator →