#2421BC#2421BC

#2421BC is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.4% C 0.226 H 270.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#2421BC
RGB	rgb(36, 33, 188)
HSL	hsl(241, 70%, 43%)
HSV	hsv(241, 82%, 74%)
CMYK	cmyk(80.9%, 82.4%, 0%, 26.3%)
CIE-LAB	lab(27.00, 53.40, -78.09)
CIE-LCH	lch(27.00, 94.60, 304.37°)
OKLab	oklab(39.4% 0.001 -0.226)
OKLCH	oklch(39.4% 0.226 270.3)
XYZ	xyz(10.3454, 5.0924, 48.0049)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2421BC #B9BC21

analogous

#216BBC #2421BC #7121BC

triadic

#2421BC #BC2421 #21BC24

tetradic

#2421BC #BC216B #B9BC21 #21BC71

square

#2421BC #BC216B #B9BC21 #21BC71

split-complementary

#2421BC #BC7121 #6BBC21

monochromatic

#100F54 #1A1888 #2421BC #403DDD #7471E6

Accessibility & contrast

On white

10.40

#2421BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2421BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2421BC

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2421BC	#FFFFFF	#000000	##FFFFFF
##2421BC	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047C0

Deuteranopia (green-blind)

#0038B9

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2421bc;
/* rgb */ color: rgb(36, 33, 188);
/* oklch */ color: oklch(39.4% 0.226 270.3);

Tailwind

colors: {
  custom: {
    50: '#7c61d2',
    500: '#2421bc',
    950: '#000000',
  },
}

SCSS

$custom: #2421bc;
$custom-light: #7c61d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2421bc",
  "rgb": {
    "r": 36,
    "g": 33,
    "b": 188
  },
  "hsl": {
    "h": 241.161,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.39404,
    "c": 0.22604,
    "h": 270.3
  },
  "luminance": 0.05094
}

Semantic roles & 50–950 ramp

primary

#2421BC

secondary

#CBCD6C

accent

#ED3BE9

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #2421BC

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

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