#355FAA#355FAA

#355FAA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.129 H 261.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#355FAA
RGB	rgb(53, 95, 170)
HSL	hsl(218, 52%, 44%)
HSV	hsv(218, 69%, 67%)
CMYK	cmyk(68.8%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.96, 10.84, -44.59)
CIE-LCH	lch(40.96, 45.88, 283.67°)
OKLab	oklab(49.45% -0.0201 -0.1274)
OKLCH	oklch(49.45% 0.129 261)
XYZ	xyz(12.8135, 11.8423, 39.6329)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FAA #AA8035

analogous

#3599AA #355FAA #4635AA

triadic

#355FAA #AA355F #5FAA35

tetradic

#355FAA #AA3599 #AA8035 #35AA46

square

#355FAA #AA3599 #AA8035 #35AA46

split-complementary

#355FAA #AA4635 #99AA35

monochromatic

#182B4D #26457B #355FAA #537DC9 #82A1D8

Accessibility & contrast

On white

6.23

#355FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#355FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FAA

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FAA	#FFFFFF	#000000	##FFFFFF
##355FAA	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B66AD

Deuteranopia (green-blind)

#275CA8

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355faa;
/* rgb */ color: rgb(53, 95, 170);
/* oklch */ color: oklch(49.5% 0.129 261.0);

Tailwind

colors: {
  custom: {
    50: '#7a8bc4',
    500: '#355faa',
    950: '#000000',
  },
}

SCSS

$custom: #355faa;
$custom-light: #7a8bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#355faa",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 218.462,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49451,
    "c": 0.12899,
    "h": 261
  },
  "luminance": 0.11844
}

Semantic roles & 50–950 ramp

primary

#355FAA

secondary

#C1A87A

accent

#A84CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FAA

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

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