#355FA6#355FA6

#355FA6 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.2% C 0.123 H 260.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#355FA6
RGB	rgb(53, 95, 166)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.1%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(40.72, 9.37, -42.60)
CIE-LCH	lch(40.72, 43.62, 282.40°)
OKLab	oklab(49.19% -0.0209 -0.1216)
OKLCH	oklch(49.19% 0.123 260.2)
XYZ	xyz(12.4409, 11.6932, 37.6704)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA6 #A67C35

analogous

#3597A6 #355FA6 #4335A6

triadic

#355FA6 #A6355F #5FA635

tetradic

#355FA6 #A63597 #A67C35 #35A643

square

#355FA6 #A63597 #A67C35 #35A643

split-complementary

#355FA6 #A64335 #97A635

monochromatic

#172A49 #264478 #355FA6 #517DC7 #7FA0D6

Accessibility & contrast

On white

6.29

#355FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#355FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA6

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA6	#FFFFFF	#000000	##FFFFFF
##355FA6	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E66A9

Deuteranopia (green-blind)

#2B5BA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355fa6;
/* rgb */ color: rgb(53, 95, 166);
/* oklch */ color: oklch(49.2% 0.123 260.2);

Tailwind

colors: {
  custom: {
    50: '#798bc1',
    500: '#355fa6',
    950: '#000000',
  },
}

SCSS

$custom: #355fa6;
$custom-light: #798bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa6",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 217.699,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49188,
    "c": 0.12336,
    "h": 260.2
  },
  "luminance": 0.11694
}

Semantic roles & 50–950 ramp

primary

#355FA6

secondary

#BFA577

accent

#A64DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA6

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

Preview Lab → · Contrast checker → · Palette generator →