#355CC3#355CC3

#355CC3 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.167 H 265.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#355CC3
RGB	rgb(53, 92, 195)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 73%, 76%)
CMYK	cmyk(72.8%, 52.8%, 0%, 23.5%)
CIE-LAB	lab(41.77, 22.06, -57.93)
CIE-LCH	lch(41.77, 61.99, 290.85°)
OKLab	oklab(50.59% -0.0139 -0.1667)
OKLCH	oklch(50.59% 0.167 265.2)
XYZ	xyz(15.1422, 12.3497, 53.2049)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC3 #C39C35

analogous

#35A3C3 #355CC3 #5535C3

triadic

#355CC3 #C3355C #5CC335

tetradic

#355CC3 #C335A3 #C39C35 #35C355

square

#355CC3 #C335A3 #C39C35 #35C355

split-complementary

#355CC3 #C35535 #A3C335

monochromatic

#1B2F63 #284593 #355CC3 #6181D4 #91A7E1

Accessibility & contrast

On white

6.05

#355CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#355CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC3

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC3	#FFFFFF	#000000	##FFFFFF
##355CC3	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1269C7

Deuteranopia (green-blind)

#005CC1

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355cc3;
/* rgb */ color: rgb(53, 92, 195);
/* oklch */ color: oklch(50.6% 0.167 265.2);

Tailwind

colors: {
  custom: {
    50: '#7f89d6',
    500: '#355cc3',
    950: '#000000',
  },
}

SCSS

$custom: #355cc3;
$custom-light: #7f89d6;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc3",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 195
  },
  "hsl": {
    "h": 223.521,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5059,
    "c": 0.1673,
    "h": 265.2
  },
  "luminance": 0.12351
}

Semantic roles & 50–950 ramp

primary

#355CC3

secondary

#CCB988

accent

#B647E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355CC3

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

Preview Lab → · Contrast checker → · Palette generator →