#3E57C8#3E57C8

#3E57C8 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.178 H 269.5°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#3E57C8
RGB	rgb(62, 87, 200)
HSL	hsl(229, 56%, 51%)
HSV	hsv(229, 69%, 78%)
CMYK	cmyk(69%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.23, 28.33, -61.68)
CIE-LCH	lch(41.23, 67.88, 294.67°)
OKLab	oklab(50.42% -0.0015 -0.1776)
OKLCH	oklch(50.42% 0.178 269.5)
XYZ	xyz(15.8166, 12.0091, 56.1168)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E57C8 #C8AF3E

analogous

#3E9CC8 #3E57C8 #6A3EC8

triadic

#3E57C8 #C83E57 #57C83E

tetradic

#3E57C8 #C83E9C #C8AF3E #3EC86A

square

#3E57C8 #C83E9C #C8AF3E #3EC86A

split-complementary

#3E57C8 #C86A3E #9CC83E

monochromatic

#1F2D6D #2D419C #3E57C8 #6E80D6 #9DAAE3

Accessibility & contrast

On white

6.17

#3E57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3E57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E57C8

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E57C8	#FFFFFF	#000000	##FFFFFF
##3E57C8	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3e57c8;
/* rgb */ color: rgb(62, 87, 200);
/* oklch */ color: oklch(50.4% 0.178 269.5);

Tailwind

colors: {
  custom: {
    50: '#8486da',
    500: '#3e57c8',
    950: '#000000',
  },
}

SCSS

$custom: #3e57c8;
$custom-light: #8486da;
$custom-dark: #000000;

JSON

{
  "hex": "#3e57c8",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 229.13,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50415,
    "c": 0.17765,
    "h": 269.5
  },
  "luminance": 0.12011
}

Semantic roles & 50–950 ramp

primary

#3E57C8

secondary

#CFC492

accent

#C449DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E57C8

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

Preview Lab → · Contrast checker → · Palette generator →