#3E53B7#3E53B7

#3E53B7 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.159 H 270.4°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3E53B7
RGB	rgb(62, 83, 183)
HSL	hsl(230, 49%, 48%)
HSV	hsv(230, 66%, 72%)
CMYK	cmyk(66.1%, 54.6%, 0%, 28.2%)
CIE-LAB	lab(38.95, 24.83, -55.47)
CIE-LCH	lch(38.95, 60.77, 294.12°)
OKLab	oklab(48.31% 0.0011 -0.1594)
OKLCH	oklch(48.31% 0.159 270.4)
XYZ	xyz(13.6242, 10.6283, 46.1240)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E53B7 #B7A23E

analogous

#3E8FB7 #3E53B7 #653EB7

triadic

#3E53B7 #B73E53 #53B73E

tetradic

#3E53B7 #B73E8F #B7A23E #3EB765

square

#3E53B7 #B73E8F #B7A23E #3EB765

split-complementary

#3E53B7 #B7653E #8FB73E

monochromatic

#1F2A5C #2F3E89 #3E53B7 #6778CB #94A1DB

Accessibility & contrast

On white

6.72

#3E53B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3E53B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E53B7

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E53B7	#FFFFFF	#000000	##FFFFFF
##3E53B7	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0561BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3e53b7;
/* rgb */ color: rgb(62, 83, 183);
/* oklch */ color: oklch(48.3% 0.159 270.4);

Tailwind

colors: {
  custom: {
    50: '#8183cd',
    500: '#3e53b7',
    950: '#000000',
  },
}

SCSS

$custom: #3e53b7;
$custom-light: #8183cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e53b7",
  "rgb": {
    "r": 62,
    "g": 83,
    "b": 183
  },
  "hsl": {
    "h": 229.587,
    "s": 49.388,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48311,
    "c": 0.15942,
    "h": 270.4
  },
  "luminance": 0.1063
}

Semantic roles & 50–950 ramp

primary

#3E53B7

secondary

#C6BC8A

accent

#C14FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3E53B7

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

Preview Lab → · Contrast checker → · Palette generator →