#3427B3#3427B3

#3427B3 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.207 H 275.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#3427B3
RGB	rgb(52, 39, 179)
HSL	hsl(246, 64%, 43%)
HSV	hsv(246, 78%, 70%)
CMYK	cmyk(70.9%, 78.2%, 0%, 29.8%)
CIE-LAB	lab(27.94, 48.80, -71.14)
CIE-LCH	lch(27.94, 86.27, 304.45°)
OKLab	oklab(40.02% 0.0207 -0.2057)
OKLCH	oklch(40.02% 0.207 275.7)
XYZ	xyz(10.2757, 5.4348, 43.1466)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3427B3 #A6B327

analogous

#2760B3 #3427B3 #7A27B3

triadic

#3427B3 #B33427 #27B334

tetradic

#3427B3 #B32760 #A6B327 #27B37A

square

#3427B3 #B32760 #A6B327 #27B37A

split-complementary

#3427B3 #B37A27 #60B327

monochromatic

#17114E #251C81 #3427B3 #4F41D6 #7E74E1

Accessibility & contrast

On white

10.06

#3427B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3427B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3427B3

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3427B3	#FFFFFF	#000000	##FFFFFF
##3427B3	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3427b3;
/* rgb */ color: rgb(52, 39, 179);
/* oklch */ color: oklch(40.0% 0.207 275.7);

Tailwind

colors: {
  custom: {
    50: '#7f65cb',
    500: '#3427b3',
    950: '#000000',
  },
}

SCSS

$custom: #3427b3;
$custom-light: #7f65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3427b3",
  "rgb": {
    "r": 52,
    "g": 39,
    "b": 179
  },
  "hsl": {
    "h": 245.571,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40019,
    "c": 0.20673,
    "h": 275.7
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#3427B3

secondary

#C0C86E

accent

#E741D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3427B3

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

Preview Lab → · Contrast checker → · Palette generator →