#3557C5#3557C5

#3557C5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.176 H 266.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3557C5
RGB	rgb(53, 87, 197)
HSL	hsl(226, 58%, 49%)
HSV	hsv(226, 73%, 77%)
CMYK	cmyk(73.1%, 55.8%, 0%, 22.7%)
CIE-LAB	lab(40.58, 26.04, -61.02)
CIE-LCH	lch(40.58, 66.34, 293.11°)
OKLab	oklab(49.74% -0.0099 -0.1759)
OKLCH	oklch(49.74% 0.176 266.8)
XYZ	xyz(14.9509, 11.6029, 54.2641)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3557C5 #C5A335

analogous

#359FC5 #3557C5 #5B35C5

triadic

#3557C5 #C53557 #57C535

tetradic

#3557C5 #C5359F #C5A335 #35C55B

square

#3557C5 #C5359F #C5A335 #35C55B

split-complementary

#3557C5 #C55B35 #9FC535

monochromatic

#1B2C65 #284295 #3557C5 #627DD5 #93A5E2

Accessibility & contrast

On white

6.32

#3557C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3557C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3557C5

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3557C5	#FFFFFF	#000000	##FFFFFF
##3557C5	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C9

Deuteranopia (green-blind)

#0059C3

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3557c5;
/* rgb */ color: rgb(53, 87, 197);
/* oklch */ color: oklch(49.7% 0.176 266.8);

Tailwind

colors: {
  custom: {
    50: '#8085d7',
    500: '#3557c5',
    950: '#000000',
  },
}

SCSS

$custom: #3557c5;
$custom-light: #8085d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3557c5",
  "rgb": {
    "r": 53,
    "g": 87,
    "b": 197
  },
  "hsl": {
    "h": 225.833,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49738,
    "c": 0.17616,
    "h": 266.8
  },
  "luminance": 0.11604
}

Semantic roles & 50–950 ramp

primary

#3557C5

secondary

#CDBD89

accent

#BD47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3557C5

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

Preview Lab → · Contrast checker → · Palette generator →