#2420A8#2420A8

#2420A8 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.204 H 271.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#2420A8
RGB	rgb(36, 32, 168)
HSL	hsl(242, 68%, 39%)
HSV	hsv(242, 81%, 66%)
CMYK	cmyk(78.6%, 81%, 0%, 34.1%)
CIE-LAB	lab(24.43, 47.64, -70.38)
CIE-LCH	lch(24.43, 84.99, 304.09°)
OKLab	oklab(36.93% 0.0057 -0.2037)
OKLCH	oklch(36.93% 0.204 271.6)
XYZ	xyz(8.3096, 4.2343, 37.4176)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2420A8 #A4A820

analogous

#2060A8 #2420A8 #6820A8

triadic

#2420A8 #A82420 #20A824

tetradic

#2420A8 #A82060 #A4A820 #20A868

square

#2420A8 #A82060 #A4A820 #20A868

split-complementary

#2420A8 #A86820 #60A820

monochromatic

#0E0C41 #191675 #2420A8 #332ED7 #6561E1

Accessibility & contrast

On white

11.37

#2420A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2420A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2420A8

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2420A8	#FFFFFF	#000000	##FFFFFF
##2420A8	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0033A6

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2420a8;
/* rgb */ color: rgb(36, 32, 168);
/* oklch */ color: oklch(36.9% 0.204 271.6);

Tailwind

colors: {
  custom: {
    50: '#775fc3',
    500: '#2420a8',
    950: '#000000',
  },
}

SCSS

$custom: #2420a8;
$custom-light: #775fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2420a8",
  "rgb": {
    "r": 36,
    "g": 32,
    "b": 168
  },
  "hsl": {
    "h": 241.765,
    "s": 68,
    "l": 39.216
  },
  "oklch": {
    "l": 0.36932,
    "c": 0.20379,
    "h": 271.6
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#2420A8

secondary

#C3C65E

accent

#EB3DE6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2420A8

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

Preview Lab → · Contrast checker → · Palette generator →