#3427B1#3427B1

#3427B1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.204 H 275.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#3427B1
RGB	rgb(52, 39, 177)
HSL	hsl(246, 64%, 42%)
HSV	hsv(246, 78%, 69%)
CMYK	cmyk(70.6%, 78%, 0%, 30.6%)
CIE-LAB	lab(27.72, 48.17, -70.31)
CIE-LCH	lch(27.72, 85.23, 304.42°)
OKLab	oklab(39.8% 0.0212 -0.2033)
OKLCH	oklch(39.8% 0.204 275.9)
XYZ	xyz(10.0749, 5.3545, 42.0890)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3427B1 #A4B127

analogous

#275FB1 #3427B1 #7927B1

triadic

#3427B1 #B13427 #27B134

tetradic

#3427B1 #B1275F #A4B127 #27B179

square

#3427B1 #B1275F #A4B127 #27B179

split-complementary

#3427B1 #B17927 #5FB127

monochromatic

#17114D #251C7F #3427B1 #4E40D5 #7D72E0

Accessibility & contrast

On white

10.14

#3427B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3427B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3427B1

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3427B1	#FFFFFF	#000000	##FFFFFF
##3427B1	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3427b1;
/* rgb */ color: rgb(52, 39, 177);
/* oklch */ color: oklch(39.8% 0.204 275.9);

Tailwind

colors: {
  custom: {
    50: '#7f64ca',
    500: '#3427b1',
    950: '#000000',
  },
}

SCSS

$custom: #3427b1;
$custom-light: #7f64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3427b1",
  "rgb": {
    "r": 52,
    "g": 39,
    "b": 177
  },
  "hsl": {
    "h": 245.652,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.20436,
    "h": 275.9
  },
  "luminance": 0.05355
}

Semantic roles & 50–950 ramp

primary

#3427B1

secondary

#BFC76D

accent

#E741D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3427B1

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

Preview Lab → · Contrast checker → · Palette generator →