#355D9C#355D9C

#355D9C is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.1% C 0.112 H 259.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#355D9C
RGB	rgb(53, 93, 156)
HSL	hsl(217, 49%, 41%)
HSV	hsv(217, 66%, 61%)
CMYK	cmyk(66%, 40.4%, 0%, 38.8%)
CIE-LAB	lab(39.55, 6.98, -38.51)
CIE-LCH	lch(39.55, 39.14, 280.28°)
OKLab	oklab(48.09% -0.021 -0.1096)
OKLCH	oklch(48.09% 0.112 259.1)
XYZ	xyz(11.3812, 10.9848, 32.9665)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355D9C #9C7435

analogous

#35909C #355D9C #40359C

triadic

#355D9C #9C355D #5D9C35

tetradic

#355D9C #9C3590 #9C7435 #359C40

square

#355D9C #9C3590 #9C7435 #359C40

split-complementary

#355D9C #9C4035 #909C35

monochromatic

#162741 #25426E #355D9C #4C7AC2 #7A9CD2

Accessibility & contrast

On white

6.57

#355D9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#355D9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355D9C

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355D9C	#FFFFFF	#000000	##FFFFFF
##355D9C	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41629F

Deuteranopia (green-blind)

#32599B

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355d9c;
/* rgb */ color: rgb(53, 93, 156);
/* oklch */ color: oklch(48.1% 0.112 259.1);

Tailwind

colors: {
  custom: {
    50: '#778ab9',
    500: '#355d9c',
    950: '#000000',
  },
}

SCSS

$custom: #355d9c;
$custom-light: #778ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#355d9c",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 156
  },
  "hsl": {
    "h": 216.699,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48093,
    "c": 0.11162,
    "h": 259.1
  },
  "luminance": 0.10986
}

Semantic roles & 50–950 ramp

primary

#355D9C

secondary

#BA9E72

accent

#A34FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #355D9C

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

Preview Lab → · Contrast checker → · Palette generator →