#355FA7#355FA7

#355FA7 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.125 H 260.5°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#355FA7
RGB	rgb(53, 95, 167)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.3%, 43.1%, 0%, 34.5%)
CIE-LAB	lab(40.78, 9.73, -43.10)
CIE-LCH	lch(40.78, 44.19, 282.73°)
OKLab	oklab(49.25% -0.0207 -0.123)
OKLCH	oklch(49.25% 0.125 260.5)
XYZ	xyz(12.5330, 11.7301, 38.1554)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA7 #A77D35

analogous

#3598A7 #355FA7 #4435A7

triadic

#355FA7 #A7355F #5FA735

tetradic

#355FA7 #A73598 #A77D35 #35A744

square

#355FA7 #A73598 #A77D35 #35A744

split-complementary

#355FA7 #A74435 #98A735

monochromatic

#182A4A #264579 #355FA7 #517DC8 #80A0D7

Accessibility & contrast

On white

6.28

#355FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#355FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA7

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA7	#FFFFFF	#000000	##FFFFFF
##355FA7	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D66AA

Deuteranopia (green-blind)

#2A5BA6

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355fa7;
/* rgb */ color: rgb(53, 95, 167);
/* oklch */ color: oklch(49.3% 0.125 260.5);

Tailwind

colors: {
  custom: {
    50: '#798bc1',
    500: '#355fa7',
    950: '#000000',
  },
}

SCSS

$custom: #355fa7;
$custom-light: #798bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa7",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 167
  },
  "hsl": {
    "h": 217.895,
    "s": 51.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49253,
    "c": 0.12478,
    "h": 260.5
  },
  "luminance": 0.11731
}

Semantic roles & 50–950 ramp

primary

#355FA7

secondary

#C0A578

accent

#A74DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA7

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

Preview Lab → · Contrast checker → · Palette generator →