#356AC5#356AC5

#356AC5 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.7% C 0.153 H 260.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#356AC5
RGB	rgb(53, 106, 197)
HSL	hsl(218, 58%, 49%)
HSV	hsv(218, 73%, 77%)
CMYK	cmyk(73.1%, 46.2%, 0%, 22.7%)
CIE-LAB	lab(45.76, 13.81, -52.64)
CIE-LCH	lch(45.76, 54.42, 284.70°)
OKLab	oklab(53.68% -0.0254 -0.1509)
OKLCH	oklch(53.68% 0.153 260.4)
XYZ	xyz(16.6966, 15.0943, 54.8460)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AC5 #C59035

analogous

#35B2C5 #356AC5 #4835C5

triadic

#356AC5 #C5356A #6AC535

tetradic

#356AC5 #C535B2 #C59035 #35C548

square

#356AC5 #C535B2 #C59035 #35C548

split-complementary

#356AC5 #C54835 #B2C535

monochromatic

#1B3665 #285095 #356AC5 #628CD5 #93B0E2

Accessibility & contrast

On white

5.22

#356AC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#356AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AC5

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AC5	#FFFFFF	#000000	##FFFFFF
##356AC5	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A73C8

Deuteranopia (green-blind)

#1966C3

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356ac5;
/* rgb */ color: rgb(53, 106, 197);
/* oklch */ color: oklch(53.7% 0.153 260.4);

Tailwind

colors: {
  custom: {
    50: '#7f94d7',
    500: '#356ac5',
    950: '#000000',
  },
}

SCSS

$custom: #356ac5;
$custom-light: #7f94d7;
$custom-dark: #000000;

JSON

{
  "hex": "#356ac5",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 197
  },
  "hsl": {
    "h": 217.917,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53684,
    "c": 0.15305,
    "h": 260.4
  },
  "luminance": 0.15096
}

Semantic roles & 50–950 ramp

primary

#356AC5

secondary

#CDB489

accent

#A847E1

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #356AC5

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

Preview Lab → · Contrast checker → · Palette generator →