#355FD0#355FD0

#355FD0 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.181 H 265.2°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#355FD0
RGB	rgb(53, 95, 208)
HSL	hsl(224, 62%, 51%)
HSV	hsv(224, 75%, 82%)
CMYK	cmyk(74.5%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(43.50, 24.93, -62.63)
CIE-LCH	lch(43.50, 67.41, 291.71°)
OKLab	oklab(52.19% -0.0152 -0.1805)
OKLCH	oklch(52.19% 0.181 265.2)
XYZ	xyz(16.9416, 13.4935, 61.3739)
Luminance	0.1349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FD0 #D0A635

analogous

#35ACD0 #355FD0 #5835D0

triadic

#355FD0 #D0355F #5FD035

tetradic

#355FD0 #D035AC #D0A635 #35D058

square

#355FD0 #D035AC #D0A635 #35D058

split-complementary

#355FD0 #D05835 #ACD035

monochromatic

#1A3270 #2647A2 #355FD0 #6786DC #98AEE7

Accessibility & contrast

On white

5.68

#355FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#355FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FD0

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FD0	#FFFFFF	#000000	##FFFFFF
##355FD0	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#0060CE

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #355fd0;
/* rgb */ color: rgb(53, 95, 208);
/* oklch */ color: oklch(52.2% 0.181 265.2);

Tailwind

colors: {
  custom: {
    50: '#828bdf',
    500: '#355fd0',
    950: '#000000',
  },
}

SCSS

$custom: #355fd0;
$custom-light: #828bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#355fd0",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 223.742,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52193,
    "c": 0.18113,
    "h": 265.2
  },
  "luminance": 0.13495
}

Semantic roles & 50–950 ramp

primary

#355FD0

secondary

#D3C08E

accent

#B942E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #355FD0

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

Preview Lab → · Contrast checker → · Palette generator →