#355DB0#355DB0

#355DB0 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.140 H 263.0°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#355DB0
RGB	rgb(53, 93, 176)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 69%)
CMYK	cmyk(69.9%, 47.2%, 0%, 31%)
CIE-LAB	lab(40.77, 14.36, -48.44)
CIE-LCH	lch(40.77, 50.52, 286.51°)
OKLab	oklab(49.42% -0.0172 -0.1388)
OKLCH	oklch(49.42% 0.14 263)
XYZ	xyz(13.2162, 11.7188, 42.6313)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DB0 #B08835

analogous

#359AB0 #355DB0 #4B35B0

triadic

#355DB0 #B0355D #5DB035

tetradic

#355DB0 #B0359A #B08835 #35B04B

square

#355DB0 #B0359A #B08835 #35B04B

split-complementary

#355DB0 #B04B35 #9AB035

monochromatic

#192B52 #274481 #355DB0 #567CCC #85A1DA

Accessibility & contrast

On white

6.28

#355DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#355DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DB0

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DB0	#FFFFFF	#000000	##FFFFFF
##355DB0	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3266B3

Deuteranopia (green-blind)

#175BAE

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355db0;
/* rgb */ color: rgb(53, 93, 176);
/* oklch */ color: oklch(49.4% 0.140 263.0);

Tailwind

colors: {
  custom: {
    50: '#7b8ac8',
    500: '#355db0',
    950: '#000000',
  },
}

SCSS

$custom: #355db0;
$custom-light: #7b8ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#355db0",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 220.488,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49419,
    "c": 0.13984,
    "h": 263
  },
  "luminance": 0.1172
}

Semantic roles & 50–950 ramp

primary

#355DB0

secondary

#C4AD7D

accent

#AD4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355DB0

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

Preview Lab → · Contrast checker → · Palette generator →