#355FA4#355FA4

#355FA4 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.121 H 259.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#355FA4
RGB	rgb(53, 95, 164)
HSL	hsl(217, 51%, 43%)
HSV	hsv(217, 68%, 64%)
CMYK	cmyk(67.7%, 42.1%, 0%, 35.7%)
CIE-LAB	lab(40.61, 8.63, -41.60)
CIE-LCH	lch(40.61, 42.49, 281.72°)
OKLab	oklab(49.06% -0.0213 -0.1186)
OKLCH	oklch(49.06% 0.121 259.8)
XYZ	xyz(12.2589, 11.6204, 36.7117)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA4 #A47A35

analogous

#3597A4 #355FA4 #4235A4

triadic

#355FA4 #A4355F #5FA435

tetradic

#355FA4 #A43597 #A47A35 #35A442

square

#355FA4 #A43597 #A47A35 #35A442

split-complementary

#355FA4 #A44235 #97A435

monochromatic

#172947 #264476 #355FA4 #507DC6 #7E9FD5

Accessibility & contrast

On white

6.32

#355FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#355FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA4

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA4	#FFFFFF	#000000	##FFFFFF
##355FA4	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F65A7

Deuteranopia (green-blind)

#2E5BA3

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355fa4;
/* rgb */ color: rgb(53, 95, 164);
/* oklch */ color: oklch(49.1% 0.121 259.8);

Tailwind

colors: {
  custom: {
    50: '#788cbf',
    500: '#355fa4',
    950: '#000000',
  },
}

SCSS

$custom: #355fa4;
$custom-light: #788cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa4",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 164
  },
  "hsl": {
    "h": 217.297,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49059,
    "c": 0.12055,
    "h": 259.8
  },
  "luminance": 0.11622
}

Semantic roles & 50–950 ramp

primary

#355FA4

secondary

#BEA376

accent

#A54DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA4

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

Preview Lab → · Contrast checker → · Palette generator →