#3E51D5#3E51D5

#3E51D5 is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.4% C 0.202 H 270.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3E51D5
RGB	rgb(62, 81, 213)
HSL	hsl(232, 64%, 54%)
HSV	hsv(232, 71%, 84%)
CMYK	cmyk(70.9%, 62%, 0%, 16.5%)
CIE-LAB	lab(40.75, 36.73, -69.95)
CIE-LCH	lch(40.75, 79.00, 297.70°)
OKLab	oklab(50.38% 0.003 -0.202)
OKLCH	oklch(50.38% 0.202 270.9)
XYZ	xyz(16.9352, 11.7114, 64.3059)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E51D5 #D5C23E

analogous

#3E9DD5 #3E51D5 #773ED5

triadic

#3E51D5 #D53E51 #51D53E

tetradic

#3E51D5 #D53E9D #D5C23E #3ED577

square

#3E51D5 #D53E9D #D5C23E #3ED577

split-complementary

#3E51D5 #D5773E #9DD53E

monochromatic

#1B287D #2637B0 #3E51D5 #707EE0 #A3ACEB

Accessibility & contrast

On white

6.28

#3E51D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3E51D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E51D5

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E51D5	#FFFFFF	#000000	##FFFFFF
##3E51D5	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D9

Deuteranopia (green-blind)

#0059D2

Tritanopia (blue-blind)

#00738B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3e51d5;
/* rgb */ color: rgb(62, 81, 213);
/* oklch */ color: oklch(50.4% 0.202 270.9);

Tailwind

colors: {
  custom: {
    50: '#8781e3',
    500: '#3e51d5',
    950: '#000000',
  },
}

SCSS

$custom: #3e51d5;
$custom-light: #8781e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e51d5",
  "rgb": {
    "r": 62,
    "g": 81,
    "b": 213
  },
  "hsl": {
    "h": 232.45,
    "s": 64.255,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50378,
    "c": 0.20201,
    "h": 270.9
  },
  "luminance": 0.11713
}

Semantic roles & 50–950 ramp

primary

#3E51D5

secondary

#D8D097

accent

#D241E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3E51D5

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

Preview Lab → · Contrast checker → · Palette generator →