#355B9C#355B9C

#355B9C is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.6% C 0.114 H 260.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#355B9C
RGB	rgb(53, 91, 156)
HSL	hsl(218, 49%, 41%)
HSV	hsv(218, 66%, 61%)
CMYK	cmyk(66%, 41.7%, 0%, 38.8%)
CIE-LAB	lab(38.96, 8.27, -39.45)
CIE-LCH	lch(38.96, 40.31, 281.84°)
OKLab	oklab(47.64% -0.0189 -0.1124)
OKLCH	oklch(47.64% 0.114 260.5)
XYZ	xyz(11.2079, 10.6383, 32.9088)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355B9C #9C7635

analogous

#358E9C #355B9C #42359C

triadic

#355B9C #9C355B #5B9C35

tetradic

#355B9C #9C358E #9C7635 #359C42

square

#355B9C #9C358E #9C7635 #359C42

split-complementary

#355B9C #9C4235 #8E9C35

monochromatic

#162641 #25406E #355B9C #4C78C2 #7A9AD2

Accessibility & contrast

On white

6.71

#355B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#355B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355B9C

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355B9C	#FFFFFF	#000000	##FFFFFF
##355B9C	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E619F

Deuteranopia (green-blind)

#2E579B

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355b9c;
/* rgb */ color: rgb(53, 91, 156);
/* oklch */ color: oklch(47.6% 0.114 260.5);

Tailwind

colors: {
  custom: {
    50: '#7789b9',
    500: '#355b9c',
    950: '#000000',
  },
}

SCSS

$custom: #355b9c;
$custom-light: #7789b9;
$custom-dark: #000000;

JSON

{
  "hex": "#355b9c",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 156
  },
  "hsl": {
    "h": 217.864,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47636,
    "c": 0.11398,
    "h": 260.5
  },
  "luminance": 0.10639
}

Semantic roles & 50–950 ramp

primary

#355B9C

secondary

#BAA072

accent

#A64FD9

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #355B9C

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

Preview Lab → · Contrast checker → · Palette generator →