#355F9D#355F9D

#355F9D is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.6% C 0.111 H 258.1°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#355F9D
RGB	rgb(53, 95, 157)
HSL	hsl(216, 50%, 41%)
HSV	hsv(216, 66%, 62%)
CMYK	cmyk(66.2%, 39.5%, 0%, 38.4%)
CIE-LAB	lab(40.20, 6.07, -38.08)
CIE-LCH	lch(40.20, 38.56, 279.05°)
OKLab	oklab(48.62% -0.0229 -0.1083)
OKLCH	oklch(48.62% 0.111 258.1)
XYZ	xyz(11.6440, 11.3745, 33.4736)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355F9D #9D7335

analogous

#35939D #355F9D #3F359D

triadic

#355F9D #9D355F #5F9D35

tetradic

#355F9D #9D3593 #9D7335 #359D3F

square

#355F9D #9D3593 #9D7335 #359D3F

split-complementary

#355F9D #9D3F35 #939D35

monochromatic

#162841 #26436F #355F9D #4C7CC3 #7A9ED2

Accessibility & contrast

On white

6.41

#355F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#355F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355F9D

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355F9D	#FFFFFF	#000000	##FFFFFF
##355F9D	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43649F

Deuteranopia (green-blind)

#345A9C

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355f9d;
/* rgb */ color: rgb(53, 95, 157);
/* oklch */ color: oklch(48.6% 0.111 258.1);

Tailwind

colors: {
  custom: {
    50: '#778cba',
    500: '#355f9d',
    950: '#000000',
  },
}

SCSS

$custom: #355f9d;
$custom-light: #778cba;
$custom-dark: #000000;

JSON

{
  "hex": "#355f9d",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 157
  },
  "hsl": {
    "h": 215.769,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48616,
    "c": 0.11071,
    "h": 258.1
  },
  "luminance": 0.11376
}

Semantic roles & 50–950 ramp

primary

#355F9D

secondary

#BB9E73

accent

#A14FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #355F9D

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

Preview Lab → · Contrast checker → · Palette generator →