#355D9F#355D9F

#355D9F is a mid, moderate blue. Relative luminance 0.111; OKLCH L 48.3% C 0.116 H 259.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#355D9F
RGB	rgb(53, 93, 159)
HSL	hsl(217, 50%, 42%)
HSV	hsv(217, 67%, 62%)
CMYK	cmyk(66.7%, 41.5%, 0%, 37.6%)
CIE-LAB	lab(39.73, 8.08, -40.03)
CIE-LCH	lch(39.73, 40.84, 281.41°)
OKLab	oklab(48.28% -0.0203 -0.1141)
OKLCH	oklch(48.28% 0.116 259.9)
XYZ	xyz(11.6383, 11.0877, 34.3210)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355D9F #9F7735

analogous

#35929F #355D9F #42359F

triadic

#355D9F #9F355D #5D9F35

tetradic

#355D9F #9F3592 #9F7735 #359F42

square

#355D9F #9F3592 #9F7735 #359F42

split-complementary

#355D9F #9F4235 #929F35

monochromatic

#162743 #264271 #355D9F #4D7AC4 #7B9CD3

Accessibility & contrast

On white

6.53

#355D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#355D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355D9F

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355D9F	#FFFFFF	#000000	##FFFFFF
##355D9F	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F63A2

Deuteranopia (green-blind)

#2F599E

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355d9f;
/* rgb */ color: rgb(53, 93, 159);
/* oklch */ color: oklch(48.3% 0.116 259.9);

Tailwind

colors: {
  custom: {
    50: '#788abc',
    500: '#355d9f',
    950: '#000000',
  },
}

SCSS

$custom: #355d9f;
$custom-light: #788abc;
$custom-dark: #000000;

JSON

{
  "hex": "#355d9f",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 159
  },
  "hsl": {
    "h": 217.358,
    "s": 50,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48284,
    "c": 0.11586,
    "h": 259.9
  },
  "luminance": 0.11089
}

Semantic roles & 50–950 ramp

primary

#355D9F

secondary

#BCA174

accent

#A54EDA

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355D9F

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

Preview Lab → · Contrast checker → · Palette generator →