#355CC1#355CC1

#355CC1 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.165 H 265.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#355CC1
RGB	rgb(53, 92, 193)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(72.5%, 52.3%, 0%, 24.3%)
CIE-LAB	lab(41.63, 21.32, -57.00)
CIE-LCH	lch(41.63, 60.85, 290.51°)
OKLab	oklab(50.44% -0.0141 -0.164)
OKLCH	oklch(50.44% 0.165 265.1)
XYZ	xyz(14.9176, 12.2598, 52.0219)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC1 #C19A35

analogous

#35A2C1 #355CC1 #5435C1

triadic

#355CC1 #C1355C #5CC135

tetradic

#355CC1 #C135A2 #C19A35 #35C154

square

#355CC1 #C135A2 #C19A35 #35C154

split-complementary

#355CC1 #C15435 #A2C135

monochromatic

#1B2E61 #284591 #355CC1 #6080D3 #90A6E0

Accessibility & contrast

On white

6.08

#355CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#355CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC1

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC1	#FFFFFF	#000000	##FFFFFF
##355CC1	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1769C5

Deuteranopia (green-blind)

#005CBF

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355cc1;
/* rgb */ color: rgb(53, 92, 193);
/* oklch */ color: oklch(50.4% 0.165 265.1);

Tailwind

colors: {
  custom: {
    50: '#7e89d4',
    500: '#355cc1',
    950: '#000000',
  },
}

SCSS

$custom: #355cc1;
$custom-light: #7e89d4;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc1",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 193
  },
  "hsl": {
    "h": 223.286,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50439,
    "c": 0.16458,
    "h": 265.1
  },
  "luminance": 0.12261
}

Semantic roles & 50–950 ramp

primary

#355CC1

secondary

#CBB887

accent

#B648E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355CC1

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

Preview Lab → · Contrast checker → · Palette generator →