#355FA8#355FA8

#355FA8 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.3% C 0.126 H 260.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#355FA8
RGB	rgb(53, 95, 168)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 66%)
CMYK	cmyk(68.5%, 43.5%, 0%, 34.1%)
CIE-LAB	lab(40.84, 10.10, -43.60)
CIE-LCH	lch(40.84, 44.75, 283.05°)
OKLab	oklab(49.32% -0.0205 -0.1245)
OKLCH	oklch(49.32% 0.126 260.6)
XYZ	xyz(12.6258, 11.7672, 38.6441)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA8 #A87E35

analogous

#3598A8 #355FA8 #4435A8

triadic

#355FA8 #A8355F #5FA835

tetradic

#355FA8 #A83598 #A87E35 #35A844

square

#355FA8 #A83598 #A87E35 #35A844

split-complementary

#355FA8 #A84435 #98A835

monochromatic

#182A4B #264579 #355FA8 #527DC8 #80A0D7

Accessibility & contrast

On white

6.26

#355FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#355FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA8

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA8	#FFFFFF	#000000	##FFFFFF
##355FA8	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C66AB

Deuteranopia (green-blind)

#295BA7

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355fa8;
/* rgb */ color: rgb(53, 95, 168);
/* oklch */ color: oklch(49.3% 0.126 260.6);

Tailwind

colors: {
  custom: {
    50: '#798bc2',
    500: '#355fa8',
    950: '#000000',
  },
}

SCSS

$custom: #355fa8;
$custom-light: #798bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa8",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 168
  },
  "hsl": {
    "h": 218.087,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49319,
    "c": 0.12618,
    "h": 260.6
  },
  "luminance": 0.11768
}

Semantic roles & 50–950 ramp

primary

#355FA8

secondary

#C0A678

accent

#A74CDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA8

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

Preview Lab → · Contrast checker → · Palette generator →