#355FAD#355FAD

#355FAD is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.133 H 261.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#355FAD
RGB	rgb(53, 95, 173)
HSL	hsl(219, 53%, 44%)
HSV	hsv(219, 69%, 68%)
CMYK	cmyk(69.4%, 45.1%, 0%, 32.2%)
CIE-LAB	lab(41.15, 11.95, -46.06)
CIE-LCH	lch(41.15, 47.59, 284.54°)
OKLab	oklab(49.65% -0.0195 -0.1317)
OKLCH	oklch(49.65% 0.133 261.6)
XYZ	xyz(13.1005, 11.9571, 41.1446)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FAD #AD8335

analogous

#359BAD #355FAD #4735AD

triadic

#355FAD #AD355F #5FAD35

tetradic

#355FAD #AD359B #AD8335 #35AD47

square

#355FAD #AD359B #AD8335 #35AD47

split-complementary

#355FAD #AD4735 #9BAD35

monochromatic

#182C4F #27457E #355FAD #547ECB #83A1D9

Accessibility & contrast

On white

6.19

#355FAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#355FAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FAD

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FAD	#FFFFFF	#000000	##FFFFFF
##355FAD	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3967B0

Deuteranopia (green-blind)

#225CAB

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355fad;
/* rgb */ color: rgb(53, 95, 173);
/* oklch */ color: oklch(49.7% 0.133 261.6);

Tailwind

colors: {
  custom: {
    50: '#7a8bc6',
    500: '#355fad',
    950: '#000000',
  },
}

SCSS

$custom: #355fad;
$custom-light: #7a8bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#355fad",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 173
  },
  "hsl": {
    "h": 219,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49652,
    "c": 0.13319,
    "h": 261.6
  },
  "luminance": 0.11958
}

Semantic roles & 50–950 ramp

primary

#355FAD

secondary

#C3AA7B

accent

#AA4BDD

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #355FAD

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

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