#355DD0#355DD0

#355DD0 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.184 H 265.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#355DD0
RGB	rgb(53, 93, 208)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 75%, 82%)
CMYK	cmyk(74.5%, 55.3%, 0%, 18.4%)
CIE-LAB	lab(42.97, 26.22, -63.48)
CIE-LCH	lch(42.97, 68.69, 292.44°)
OKLab	oklab(51.8% -0.0137 -0.183)
OKLCH	oklch(51.8% 0.184 265.7)
XYZ	xyz(16.7637, 13.1378, 61.3146)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DD0 #D0A835

analogous

#35AAD0 #355DD0 #5A35D0

triadic

#355DD0 #D0355D #5DD035

tetradic

#355DD0 #D035AA #D0A835 #35D05A

square

#355DD0 #D035AA #D0A835 #35D05A

split-complementary

#355DD0 #D05A35 #AAD035

monochromatic

#1A3070 #2646A2 #355DD0 #6785DC #98ADE7

Accessibility & contrast

On white

5.79

#355DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#355DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DD0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DD0	#FFFFFF	#000000	##FFFFFF
##355DD0	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355dd0;
/* rgb */ color: rgb(53, 93, 208);
/* oklch */ color: oklch(51.8% 0.184 265.7);

Tailwind

colors: {
  custom: {
    50: '#828adf',
    500: '#355dd0',
    950: '#000000',
  },
}

SCSS

$custom: #355dd0;
$custom-light: #828adf;
$custom-dark: #000000;

JSON

{
  "hex": "#355dd0",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 208
  },
  "hsl": {
    "h": 224.516,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51795,
    "c": 0.18355,
    "h": 265.7
  },
  "luminance": 0.1314
}

Semantic roles & 50–950 ramp

primary

#355DD0

secondary

#D3C18E

accent

#BB42E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355DD0

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

Preview Lab → · Contrast checker → · Palette generator →