#2421AC#2421AC

#2421AC is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.5% C 0.208 H 271.2°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2421AC
RGB	rgb(36, 33, 172)
HSL	hsl(241, 68%, 40%)
HSV	hsv(241, 81%, 67%)
CMYK	cmyk(79.1%, 80.8%, 0%, 32.5%)
CIE-LAB	lab(25.08, 48.41, -71.72)
CIE-LCH	lch(25.08, 86.53, 304.02°)
OKLab	oklab(37.52% 0.0045 -0.2076)
OKLCH	oklch(37.52% 0.208 271.2)
XYZ	xyz(8.7153, 4.4404, 39.4195)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2421AC #A9AC21

analogous

#2163AC #2421AC #6921AC

triadic

#2421AC #AC2421 #21AC24

tetradic

#2421AC #AC2163 #A9AC21 #21AC69

square

#2421AC #AC2163 #A9AC21 #21AC69

split-complementary

#2421AC #AC6921 #63AC21

monochromatic

#0F0D45 #191779 #2421AC #3632D8 #6866E2

Accessibility & contrast

On white

11.12

#2421AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2421AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2421AC

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2421AC	#FFFFFF	#000000	##FFFFFF
##2421AC	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B0

Deuteranopia (green-blind)

#0034AA

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2421ac;
/* rgb */ color: rgb(36, 33, 172);
/* oklch */ color: oklch(37.5% 0.208 271.2);

Tailwind

colors: {
  custom: {
    50: '#7860c6',
    500: '#2421ac',
    950: '#000000',
  },
}

SCSS

$custom: #2421ac;
$custom-light: #7860c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2421ac",
  "rgb": {
    "r": 36,
    "g": 33,
    "b": 172
  },
  "hsl": {
    "h": 241.295,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37519,
    "c": 0.20766,
    "h": 271.2
  },
  "luminance": 0.04441
}

Semantic roles & 50–950 ramp

primary

#2421AC

secondary

#C5C762

accent

#EB3DE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2421AC

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

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