#3E51D2#3E51D2

#3E51D2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.198 H 270.9°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3E51D2
RGB	rgb(62, 81, 210)
HSL	hsl(232, 62%, 53%)
HSV	hsv(232, 70%, 82%)
CMYK	cmyk(70.5%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(40.51, 35.68, -68.63)
CIE-LCH	lch(40.51, 77.34, 297.47°)
OKLab	oklab(50.12% 0.0031 -0.1981)
OKLCH	oklch(50.12% 0.198 270.9)
XYZ	xyz(16.5579, 11.5605, 62.3190)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E51D2 #D2BF3E

analogous

#3E9BD2 #3E51D2 #753ED2

triadic

#3E51D2 #D23E51 #51D23E

tetradic

#3E51D2 #D23E9B #D2BF3E #3ED275

square

#3E51D2 #D23E9B #D2BF3E #3ED275

split-complementary

#3E51D2 #D2753E #9BD23E

monochromatic

#1C2879 #2839AB #3E51D2 #707EDE #A1AAE9

Accessibility & contrast

On white

6.34

#3E51D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3E51D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E51D2

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E51D2	#FFFFFF	#000000	##FFFFFF
##3E51D2	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D6

Deuteranopia (green-blind)

#0059D0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3e51d2;
/* rgb */ color: rgb(62, 81, 210);
/* oklch */ color: oklch(50.1% 0.198 270.9);

Tailwind

colors: {
  custom: {
    50: '#8681e1',
    500: '#3e51d2',
    950: '#000000',
  },
}

SCSS

$custom: #3e51d2;
$custom-light: #8681e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e51d2",
  "rgb": {
    "r": 62,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 232.297,
    "s": 62.185,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50122,
    "c": 0.19813,
    "h": 270.9
  },
  "luminance": 0.11562
}

Semantic roles & 50–950 ramp

primary

#3E51D2

secondary

#D6CE96

accent

#D043E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #3E51D2

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

Preview Lab → · Contrast checker → · Palette generator →