#355AC3#355AC3

#355AC3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.170 H 265.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#355AC3
RGB	rgb(53, 90, 195)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 73%, 76%)
CMYK	cmyk(72.8%, 53.8%, 0%, 23.5%)
CIE-LAB	lab(41.23, 23.35, -58.80)
CIE-LCH	lch(41.23, 63.27, 291.66°)
OKLab	oklab(50.18% -0.0123 -0.1693)
OKLCH	oklch(50.18% 0.17 265.8)
XYZ	xyz(14.9712, 12.0077, 53.1479)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AC3 #C39E35

analogous

#35A1C3 #355AC3 #5735C3

triadic

#355AC3 #C3355A #5AC335

tetradic

#355AC3 #C335A1 #C39E35 #35C357

square

#355AC3 #C335A1 #C39E35 #35C357

split-complementary

#355AC3 #C35735 #A1C335

monochromatic

#1B2E63 #284493 #355AC3 #617FD4 #91A6E1

Accessibility & contrast

On white

6.17

#355AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#355AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AC3

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AC3	#FFFFFF	#000000	##FFFFFF
##355AC3	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0468C7

Deuteranopia (green-blind)

#005BC1

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355ac3;
/* rgb */ color: rgb(53, 90, 195);
/* oklch */ color: oklch(50.2% 0.170 265.8);

Tailwind

colors: {
  custom: {
    50: '#7f88d6',
    500: '#355ac3',
    950: '#000000',
  },
}

SCSS

$custom: #355ac3;
$custom-light: #7f88d6;
$custom-dark: #000000;

JSON

{
  "hex": "#355ac3",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 195
  },
  "hsl": {
    "h": 224.366,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50183,
    "c": 0.16977,
    "h": 265.8
  },
  "luminance": 0.12009
}

Semantic roles & 50–950 ramp

primary

#355AC3

secondary

#CCBA88

accent

#B947E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355AC3

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

Preview Lab → · Contrast checker → · Palette generator →