#355EA9#355EA9

#355EA9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.129 H 261.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#355EA9
RGB	rgb(53, 94, 169)
HSL	hsl(219, 52%, 44%)
HSV	hsv(219, 69%, 66%)
CMYK	cmyk(68.6%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(40.61, 11.12, -44.55)
CIE-LCH	lch(40.61, 45.92, 284.01°)
OKLab	oklab(49.16% -0.0193 -0.1273)
OKLCH	oklch(49.16% 0.129 261.4)
XYZ	xyz(12.6298, 11.6256, 39.1068)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EA9 #A98035

analogous

#3598A9 #355EA9 #4635A9

triadic

#355EA9 #A9355E #5EA935

tetradic

#355EA9 #A93598 #A98035 #35A946

square

#355EA9 #A93598 #A98035 #35A946

split-complementary

#355EA9 #A94635 #98A935

monochromatic

#182A4C #26447A #355EA9 #527CC9 #81A0D7

Accessibility & contrast

On white

6.32

#355EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#355EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EA9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EA9	#FFFFFF	#000000	##FFFFFF
##355EA9	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A65AC

Deuteranopia (green-blind)

#265BA7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355ea9;
/* rgb */ color: rgb(53, 94, 169);
/* oklch */ color: oklch(49.2% 0.129 261.4);

Tailwind

colors: {
  custom: {
    50: '#798bc3',
    500: '#355ea9',
    950: '#000000',
  },
}

SCSS

$custom: #355ea9;
$custom-light: #798bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#355ea9",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 218.793,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49162,
    "c": 0.12879,
    "h": 261.4
  },
  "luminance": 0.11627
}

Semantic roles & 50–950 ramp

primary

#355EA9

secondary

#C1A779

accent

#A94CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355EA9

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

Preview Lab → · Contrast checker → · Palette generator →