#3420A4#3420A4

#3420A4 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.5% C 0.195 H 278.2°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#3420A4
RGB	rgb(52, 32, 164)
HSL	hsl(249, 67%, 38%)
HSV	hsv(249, 80%, 64%)
CMYK	cmyk(68.3%, 80.5%, 0%, 35.7%)
CIE-LAB	lab(25.08, 47.66, -66.84)
CIE-LCH	lch(25.08, 82.09, 305.49°)
OKLab	oklab(37.54% 0.0279 -0.1931)
OKLCH	oklch(37.54% 0.195 278.2)
XYZ	xyz(8.6314, 4.4427, 35.5174)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3420A4 #90A420

analogous

#204EA4 #3420A4 #7620A4

triadic

#3420A4 #A43420 #20A434

tetradic

#3420A4 #A4204E #90A420 #20A476

square

#3420A4 #A4204E #90A420 #20A476

split-complementary

#3420A4 #A47620 #4EA420

monochromatic

#140C3E #241671 #3420A4 #452BD6 #725FE0

Accessibility & contrast

On white

11.12

#3420A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3420A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3420A4

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3420A4	#FFFFFF	#000000	##FFFFFF
##3420A4	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)

#0041A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3420a4;
/* rgb */ color: rgb(52, 32, 164);
/* oklch */ color: oklch(37.5% 0.195 278.2);

Tailwind

colors: {
  custom: {
    50: '#7c60c0',
    500: '#3420a4',
    950: '#000000',
  },
}

SCSS

$custom: #3420a4;
$custom-light: #7c60c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3420a4",
  "rgb": {
    "r": 52,
    "g": 32,
    "b": 164
  },
  "hsl": {
    "h": 249.091,
    "s": 67.347,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37542,
    "c": 0.19509,
    "h": 278.2
  },
  "luminance": 0.04443
}

Semantic roles & 50–950 ramp

primary

#3420A4

secondary

#B4C45C

accent

#EA3ED0

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3420A4

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

Preview Lab → · Contrast checker → · Palette generator →