#355EC7#355EC7

#355EC7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.170 H 264.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#355EC7
RGB	rgb(53, 94, 199)
HSL	hsl(223, 58%, 49%)
HSV	hsv(223, 73%, 78%)
CMYK	cmyk(73.4%, 52.8%, 0%, 22%)
CIE-LAB	lab(42.59, 22.25, -58.92)
CIE-LCH	lch(42.59, 62.98, 290.69°)
OKLab	oklab(51.3% -0.0152 -0.1696)
OKLCH	oklch(51.3% 0.17 264.9)
XYZ	xyz(15.7761, 12.8841, 55.6772)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC7 #C79E35

analogous

#35A7C7 #355EC7 #5535C7

triadic

#355EC7 #C7355E #5EC735

tetradic

#355EC7 #C735A7 #C79E35 #35C755

square

#355EC7 #C735A7 #C79E35 #35C755

split-complementary

#355EC7 #C75535 #A7C735

monochromatic

#1B3066 #284797 #355EC7 #6484D6 #94AAE2

Accessibility & contrast

On white

5.87

#355EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#355EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC7

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC7	#FFFFFF	#000000	##FFFFFF
##355EC7	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#126CCB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355ec7;
/* rgb */ color: rgb(53, 94, 199);
/* oklch */ color: oklch(51.3% 0.170 264.9);

Tailwind

colors: {
  custom: {
    50: '#808bd9',
    500: '#355ec7',
    950: '#000000',
  },
}

SCSS

$custom: #355ec7;
$custom-light: #808bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec7",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 223.151,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51302,
    "c": 0.17027,
    "h": 264.9
  },
  "luminance": 0.12886
}

Semantic roles & 50–950 ramp

primary

#355EC7

secondary

#CEBB8A

accent

#B647E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355EC7

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

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