#355DAE#355DAE

#355DAE is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.137 H 262.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#355DAE
RGB	rgb(53, 93, 174)
HSL	hsl(220, 53%, 45%)
HSV	hsv(220, 70%, 68%)
CMYK	cmyk(69.5%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.64, 13.61, -47.47)
CIE-LCH	lch(40.64, 49.38, 286.00°)
OKLab	oklab(49.28% -0.0175 -0.1359)
OKLCH	oklch(49.28% 0.137 262.7)
XYZ	xyz(13.0198, 11.6403, 41.5968)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DAE #AE8635

analogous

#359AAE #355DAE #4935AE

triadic

#355DAE #AE355D #5DAE35

tetradic

#355DAE #AE359A #AE8635 #35AE49

square

#355DAE #AE359A #AE8635 #35AE49

split-complementary

#355DAE #AE4935 #9AAE35

monochromatic

#182B50 #27447F #355DAE #557CCB #84A0DA

Accessibility & contrast

On white

6.31

#355DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#355DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DAE

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DAE	#FFFFFF	#000000	##FFFFFF
##355DAE	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3466B1

Deuteranopia (green-blind)

#1B5BAC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355dae;
/* rgb */ color: rgb(53, 93, 174);
/* oklch */ color: oklch(49.3% 0.137 262.7);

Tailwind

colors: {
  custom: {
    50: '#7a8ac7',
    500: '#355dae',
    950: '#000000',
  },
}

SCSS

$custom: #355dae;
$custom-light: #7a8ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#355dae",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 220.165,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4928,
    "c": 0.13704,
    "h": 262.7
  },
  "luminance": 0.11642
}

Semantic roles & 50–950 ramp

primary

#355DAE

secondary

#C3AB7C

accent

#AD4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355DAE

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

Preview Lab → · Contrast checker → · Palette generator →