#3E53B3#3E53B3

#3E53B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.154 H 270.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3E53B3
RGB	rgb(62, 83, 179)
HSL	hsl(229, 49%, 47%)
HSV	hsv(229, 65%, 70%)
CMYK	cmyk(65.4%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.66, 23.40, -53.58)
CIE-LCH	lch(38.66, 58.46, 293.60°)
OKLab	oklab(48.01% 0.0009 -0.1538)
OKLCH	oklch(48.01% 0.154 270.3)
XYZ	xyz(13.2138, 10.4641, 43.9625)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E53B3 #B39E3E

analogous

#3E8DB3 #3E53B3 #643EB3

triadic

#3E53B3 #B33E53 #53B33E

tetradic

#3E53B3 #B33E8D #B39E3E #3EB364

square

#3E53B3 #B33E8D #B39E3E #3EB364

split-complementary

#3E53B3 #B3643E #8DB33E

monochromatic

#1F2958 #2E3E86 #3E53B3 #6577CA #929FD9

Accessibility & contrast

On white

6.79

#3E53B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3E53B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E53B3

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E53B3	#FFFFFF	#000000	##FFFFFF
##3E53B3	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1261B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3e53b3;
/* rgb */ color: rgb(62, 83, 179);
/* oklch */ color: oklch(48.0% 0.154 270.3);

Tailwind

colors: {
  custom: {
    50: '#8083ca',
    500: '#3e53b3',
    950: '#000000',
  },
}

SCSS

$custom: #3e53b3;
$custom-light: #8083ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3e53b3",
  "rgb": {
    "r": 62,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 229.231,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48006,
    "c": 0.15385,
    "h": 270.3
  },
  "luminance": 0.10465
}

Semantic roles & 50–950 ramp

primary

#3E53B3

secondary

#C5BA88

accent

#C050D8

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3E53B3

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

Preview Lab → · Contrast checker → · Palette generator →