#355BA4#355BA4

#355BA4 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.125 H 262.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#355BA4
RGB	rgb(53, 91, 164)
HSL	hsl(219, 51%, 43%)
HSV	hsv(219, 68%, 64%)
CMYK	cmyk(67.7%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(39.44, 11.21, -43.46)
CIE-LCH	lch(39.44, 44.89, 284.47°)
OKLab	oklab(48.16% -0.0173 -0.1242)
OKLCH	oklch(48.16% 0.125 262.1)
XYZ	xyz(11.9078, 10.9182, 36.5946)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA4 #A47E35

analogous

#3593A4 #355BA4 #4635A4

triadic

#355BA4 #A4355B #5BA435

tetradic

#355BA4 #A43593 #A47E35 #35A446

square

#355BA4 #A43593 #A47E35 #35A446

split-complementary

#355BA4 #A44635 #93A435

monochromatic

#172847 #264176 #355BA4 #5078C6 #7E9CD5

Accessibility & contrast

On white

6.60

#355BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#355BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA4

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA4	#FFFFFF	#000000	##FFFFFF
##355BA4	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3862A7

Deuteranopia (green-blind)

#2558A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355ba4;
/* rgb */ color: rgb(53, 91, 164);
/* oklch */ color: oklch(48.2% 0.125 262.1);

Tailwind

colors: {
  custom: {
    50: '#7988bf',
    500: '#355ba4',
    950: '#000000',
  },
}

SCSS

$custom: #355ba4;
$custom-light: #7988bf;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba4",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 219.459,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4816,
    "c": 0.12537,
    "h": 262.1
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#355BA4

secondary

#BEA676

accent

#AA4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA4

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

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