#355B9F#355B9F

#355B9F is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.8% C 0.118 H 261.1°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#355B9F
RGB	rgb(53, 91, 159)
HSL	hsl(218, 50%, 42%)
HSV	hsv(218, 67%, 62%)
CMYK	cmyk(66.7%, 42.8%, 0%, 37.6%)
CIE-LAB	lab(39.14, 9.37, -40.96)
CIE-LCH	lch(39.14, 42.02, 282.89°)
OKLab	oklab(47.83% -0.0183 -0.1168)
OKLCH	oklch(47.83% 0.118 261.1)
XYZ	xyz(11.4651, 10.7412, 34.2632)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355B9F #9F7935

analogous

#35909F #355B9F #44359F

triadic

#355B9F #9F355B #5B9F35

tetradic

#355B9F #9F3590 #9F7935 #359F44

square

#355B9F #9F3590 #9F7935 #359F44

split-complementary

#355B9F #9F4435 #909F35

monochromatic

#162643 #264171 #355B9F #4D78C4 #7B9BD3

Accessibility & contrast

On white

6.67

#355B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#355B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355B9F

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355B9F	#FFFFFF	#000000	##FFFFFF
##355B9F	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C61A2

Deuteranopia (green-blind)

#2B589E

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355b9f;
/* rgb */ color: rgb(53, 91, 159);
/* oklch */ color: oklch(47.8% 0.118 261.1);

Tailwind

colors: {
  custom: {
    50: '#7889bc',
    500: '#355b9f',
    950: '#000000',
  },
}

SCSS

$custom: #355b9f;
$custom-light: #7889bc;
$custom-dark: #000000;

JSON

{
  "hex": "#355b9f",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 159
  },
  "hsl": {
    "h": 218.491,
    "s": 50,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4783,
    "c": 0.11826,
    "h": 261.1
  },
  "luminance": 0.10742
}

Semantic roles & 50–950 ramp

primary

#355B9F

secondary

#BCA274

accent

#A84EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355B9F

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

Preview Lab → · Contrast checker → · Palette generator →