#3557C4#3557C4

#3557C4 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.175 H 266.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3557C4
RGB	rgb(53, 87, 196)
HSL	hsl(226, 57%, 49%)
HSV	hsv(226, 73%, 77%)
CMYK	cmyk(73%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(40.50, 25.67, -60.56)
CIE-LCH	lch(40.50, 65.77, 292.97°)
OKLab	oklab(49.66% -0.0099 -0.1745)
OKLCH	oklch(49.66% 0.175 266.7)
XYZ	xyz(14.8367, 11.5572, 53.6627)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3557C4 #C4A235

analogous

#359FC4 #3557C4 #5B35C4

triadic

#3557C4 #C43557 #57C435

tetradic

#3557C4 #C4359F #C4A235 #35C45B

square

#3557C4 #C4359F #C4A235 #35C45B

split-complementary

#3557C4 #C45B35 #9FC435

monochromatic

#1B2C64 #284294 #3557C4 #627DD4 #92A5E1

Accessibility & contrast

On white

6.34

#3557C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3557C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3557C4

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3557C4	#FFFFFF	#000000	##FFFFFF
##3557C4	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)

#0066C8

Deuteranopia (green-blind)

#0059C2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3557c4;
/* rgb */ color: rgb(53, 87, 196);
/* oklch */ color: oklch(49.7% 0.175 266.7);

Tailwind

colors: {
  custom: {
    50: '#7f85d7',
    500: '#3557c4',
    950: '#000000',
  },
}

SCSS

$custom: #3557c4;
$custom-light: #7f85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3557c4",
  "rgb": {
    "r": 53,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 225.734,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49659,
    "c": 0.17481,
    "h": 266.7
  },
  "luminance": 0.11559
}

Semantic roles & 50–950 ramp

primary

#3557C4

secondary

#CCBC88

accent

#BC47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3557C4

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

Preview Lab → · Contrast checker → · Palette generator →