#355DAA#355DAA

#355DAA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.131 H 262.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#355DAA
RGB	rgb(53, 93, 170)
HSL	hsl(219, 52%, 44%)
HSV	hsv(219, 69%, 67%)
CMYK	cmyk(68.8%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(40.39, 12.13, -45.51)
CIE-LCH	lch(40.39, 47.10, 284.93°)
OKLab	oklab(49.01% -0.0182 -0.1301)
OKLCH	oklch(49.01% 0.131 262.1)
XYZ	xyz(12.6357, 11.4866, 39.5736)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DAA #AA8235

analogous

#3597AA #355DAA #4735AA

triadic

#355DAA #AA355D #5DAA35

tetradic

#355DAA #AA3597 #AA8235 #35AA47

square

#355DAA #AA3597 #AA8235 #35AA47

split-complementary

#355DAA #AA4735 #97AA35

monochromatic

#182A4D #26437B #355DAA #537BC9 #829FD8

Accessibility & contrast

On white

6.37

#355DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#355DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DAA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DAA	#FFFFFF	#000000	##FFFFFF
##355DAA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AD

Deuteranopia (green-blind)

#225AA8

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355daa;
/* rgb */ color: rgb(53, 93, 170);
/* oklch */ color: oklch(49.0% 0.131 262.1);

Tailwind

colors: {
  custom: {
    50: '#7a8ac4',
    500: '#355daa',
    950: '#000000',
  },
}

SCSS

$custom: #355daa;
$custom-light: #7a8ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#355daa",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 219.487,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49007,
    "c": 0.13141,
    "h": 262.1
  },
  "luminance": 0.11488
}

Semantic roles & 50–950 ramp

primary

#355DAA

secondary

#C1A97A

accent

#AB4CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355DAA

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

Preview Lab → · Contrast checker → · Palette generator →