#355ABC#355ABC

#355ABC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.6% C 0.160 H 265.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#355ABC
RGB	rgb(53, 90, 188)
HSL	hsl(224, 56%, 47%)
HSV	hsv(224, 72%, 74%)
CMYK	cmyk(71.8%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.73, 20.76, -55.53)
CIE-LCH	lch(40.73, 59.28, 290.50°)
OKLab	oklab(49.65% -0.013 -0.1597)
OKLCH	oklch(49.65% 0.16 265.4)
XYZ	xyz(14.1983, 11.6986, 49.0770)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ABC #BC9735

analogous

#359DBC #355ABC #5435BC

triadic

#355ABC #BC355A #5ABC35

tetradic

#355ABC #BC359D #BC9735 #35BC54

square

#355ABC #BC359D #BC9735 #35BC54

split-complementary

#355ABC #BC5435 #9DBC35

monochromatic

#1A2C5D #28438C #355ABC #5D7DD1 #8DA3DF

Accessibility & contrast

On white

6.29

#355ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#355ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ABC

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355ABC	#FFFFFF	#000000	##FFFFFF
##355ABC	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1967BF

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355abc;
/* rgb */ color: rgb(53, 90, 188);
/* oklch */ color: oklch(49.6% 0.160 265.4);

Tailwind

colors: {
  custom: {
    50: '#7e88d1',
    500: '#355abc',
    950: '#000000',
  },
}

SCSS

$custom: #355abc;
$custom-light: #7e88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#355abc",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 223.556,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4965,
    "c": 0.16022,
    "h": 265.4
  },
  "luminance": 0.117
}

Semantic roles & 50–950 ramp

primary

#355ABC

secondary

#C9B684

accent

#B648DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355ABC

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

Preview Lab → · Contrast checker → · Palette generator →