#355EC6#355EC6

#355EC6 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.169 H 264.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#355EC6
RGB	rgb(53, 94, 198)
HSL	hsl(223, 58%, 49%)
HSV	hsv(223, 73%, 78%)
CMYK	cmyk(73.2%, 52.5%, 0%, 22.4%)
CIE-LAB	lab(42.52, 21.88, -58.45)
CIE-LCH	lch(42.52, 62.41, 290.52°)
OKLab	oklab(51.23% -0.0153 -0.1682)
OKLCH	oklch(51.23% 0.169 264.8)
XYZ	xyz(15.6603, 12.8378, 55.0677)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC6 #C69D35

analogous

#35A7C6 #355EC6 #5435C6

triadic

#355EC6 #C6355E #5EC635

tetradic

#355EC6 #C635A7 #C69D35 #35C654

square

#355EC6 #C635A7 #C69D35 #35C654

split-complementary

#355EC6 #C65435 #A7C635

monochromatic

#1B3065 #284796 #355EC6 #6383D5 #93AAE2

Accessibility & contrast

On white

5.89

#355EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#355EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC6

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC6	#FFFFFF	#000000	##FFFFFF
##355EC6	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156BCA

Deuteranopia (green-blind)

#005EC4

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355ec6;
/* rgb */ color: rgb(53, 94, 198);
/* oklch */ color: oklch(51.2% 0.169 264.8);

Tailwind

colors: {
  custom: {
    50: '#7f8bd8',
    500: '#355ec6',
    950: '#000000',
  },
}

SCSS

$custom: #355ec6;
$custom-light: #7f8bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec6",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 198
  },
  "hsl": {
    "h": 223.034,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51226,
    "c": 0.16891,
    "h": 264.8
  },
  "luminance": 0.1284
}

Semantic roles & 50–950 ramp

primary

#355EC6

secondary

#CDBA8A

accent

#B547E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355EC6

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

Preview Lab → · Contrast checker → · Palette generator →