#3427B4#3427B4

#3427B4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.208 H 275.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3427B4
RGB	rgb(52, 39, 180)
HSL	hsl(246, 64%, 43%)
HSV	hsv(246, 78%, 71%)
CMYK	cmyk(71.1%, 78.3%, 0%, 29.4%)
CIE-LAB	lab(28.05, 49.11, -71.56)
CIE-LCH	lch(28.05, 86.79, 304.46°)
OKLab	oklab(40.13% 0.0204 -0.2069)
OKLCH	oklch(40.13% 0.208 275.6)
XYZ	xyz(10.3772, 5.4754, 43.6811)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3427B4 #A7B427

analogous

#2760B4 #3427B4 #7A27B4

triadic

#3427B4 #B43427 #27B434

tetradic

#3427B4 #B42760 #A7B427 #27B47A

square

#3427B4 #B42760 #A7B427 #27B47A

split-complementary

#3427B4 #B47A27 #60B427

monochromatic

#17114F #251C82 #3427B4 #5042D6 #7E74E1

Accessibility & contrast

On white

10.02

#3427B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3427B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3427B4

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3427B4	#FFFFFF	#000000	##FFFFFF
##3427B4	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3427b4;
/* rgb */ color: rgb(52, 39, 180);
/* oklch */ color: oklch(40.1% 0.208 275.6);

Tailwind

colors: {
  custom: {
    50: '#7f65cc',
    500: '#3427b4',
    950: '#000000',
  },
}

SCSS

$custom: #3427b4;
$custom-light: #7f65cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3427b4",
  "rgb": {
    "r": 52,
    "g": 39,
    "b": 180
  },
  "hsl": {
    "h": 245.532,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40128,
    "c": 0.20791,
    "h": 275.6
  },
  "luminance": 0.05476
}

Semantic roles & 50–950 ramp

primary

#3427B4

secondary

#C0C86F

accent

#E740D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3427B4

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

Preview Lab → · Contrast checker → · Palette generator →