#355CA3#355CA3

#355CA3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.3% C 0.123 H 261.3°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#355CA3
RGB	rgb(53, 92, 163)
HSL	hsl(219, 51%, 42%)
HSV	hsv(219, 67%, 64%)
CMYK	cmyk(67.5%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.67, 10.20, -42.50)
CIE-LCH	lch(39.67, 43.71, 283.49°)
OKLab	oklab(48.32% -0.0185 -0.1213)
OKLCH	oklch(48.32% 0.123 261.3)
XYZ	xyz(11.9039, 11.0544, 36.1496)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CA3 #A37C35

analogous

#3593A3 #355CA3 #4535A3

triadic

#355CA3 #A3355C #5CA335

tetradic

#355CA3 #A33593 #A37C35 #35A345

square

#355CA3 #A33593 #A37C35 #35A345

split-complementary

#355CA3 #A34535 #93A335

monochromatic

#172847 #264275 #355CA3 #4F79C6 #7E9CD5

Accessibility & contrast

On white

6.54

#355CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#355CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CA3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CA3	#FFFFFF	#000000	##FFFFFF
##355CA3	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A6

Deuteranopia (green-blind)

#2859A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355ca3;
/* rgb */ color: rgb(53, 92, 163);
/* oklch */ color: oklch(48.3% 0.123 261.3);

Tailwind

colors: {
  custom: {
    50: '#7889bf',
    500: '#355ca3',
    950: '#000000',
  },
}

SCSS

$custom: #355ca3;
$custom-light: #7889bf;
$custom-dark: #000000;

JSON

{
  "hex": "#355ca3",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 218.727,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48317,
    "c": 0.12273,
    "h": 261.3
  },
  "luminance": 0.11056
}

Semantic roles & 50–950 ramp

primary

#355CA3

secondary

#BEA476

accent

#A84DDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355CA3

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

Preview Lab → · Contrast checker → · Palette generator →