#356CC5#356CC5

#356CC5 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.151 H 259.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#356CC5
RGB	rgb(53, 108, 197)
HSL	hsl(217, 58%, 49%)
HSV	hsv(217, 73%, 77%)
CMYK	cmyk(73.1%, 45.2%, 0%, 22.7%)
CIE-LAB	lab(46.33, 12.54, -51.74)
CIE-LCH	lch(46.33, 53.24, 283.62°)
OKLab	oklab(54.12% -0.0272 -0.1482)
OKLCH	oklch(54.12% 0.151 259.6)
XYZ	xyz(16.9052, 15.5114, 54.9155)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CC5 #C58E35

analogous

#35B4C5 #356CC5 #4635C5

triadic

#356CC5 #C5356C #6CC535

tetradic

#356CC5 #C535B4 #C58E35 #35C546

square

#356CC5 #C535B4 #C58E35 #35C546

split-complementary

#356CC5 #C54635 #B4C535

monochromatic

#1B3765 #285295 #356CC5 #628ED5 #93B1E2

Accessibility & contrast

On white

5.12

#356CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#356CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CC5

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CC5	#FFFFFF	#000000	##FFFFFF
##356CC5	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E75C8

Deuteranopia (green-blind)

#2168C3

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #356cc5;
/* rgb */ color: rgb(53, 108, 197);
/* oklch */ color: oklch(54.1% 0.151 259.6);

Tailwind

colors: {
  custom: {
    50: '#7f95d7',
    500: '#356cc5',
    950: '#000000',
  },
}

SCSS

$custom: #356cc5;
$custom-light: #7f95d7;
$custom-dark: #000000;

JSON

{
  "hex": "#356cc5",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 197
  },
  "hsl": {
    "h": 217.083,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54118,
    "c": 0.15069,
    "h": 259.6
  },
  "luminance": 0.15513
}

Semantic roles & 50–950 ramp

primary

#356CC5

secondary

#CDB389

accent

#A647E1

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #356CC5

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

Preview Lab → · Contrast checker → · Palette generator →