#355FBF#355FBF

#355FBF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.158 H 263.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#355FBF
RGB	rgb(53, 95, 191)
HSL	hsl(222, 57%, 48%)
HSV	hsv(222, 72%, 75%)
CMYK	cmyk(72.3%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(42.31, 18.63, -54.73)
CIE-LCH	lch(42.31, 57.82, 288.80°)
OKLab	oklab(50.92% -0.0168 -0.1572)
OKLCH	oklch(50.92% 0.158 263.9)
XYZ	xyz(14.9610, 12.7013, 50.9432)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FBF #BF9535

analogous

#35A4BF #355FBF #5035BF

triadic

#355FBF #BF355F #5FBF35

tetradic

#355FBF #BF35A4 #BF9535 #35BF50

square

#355FBF #BF35A4 #BF9535 #35BF50

split-complementary

#355FBF #BF5035 #A4BF35

monochromatic

#1A2F5F #28478F #355FBF #5F82D3 #8FA7E0

Accessibility & contrast

On white

5.93

#355FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#355FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FBF

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FBF	#FFFFFF	#000000	##FFFFFF
##355FBF	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266BC2

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355fbf;
/* rgb */ color: rgb(53, 95, 191);
/* oklch */ color: oklch(50.9% 0.158 263.9);

Tailwind

colors: {
  custom: {
    50: '#7e8bd3',
    500: '#355fbf',
    950: '#000000',
  },
}

SCSS

$custom: #355fbf;
$custom-light: #7e8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#355fbf",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 221.739,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50915,
    "c": 0.15815,
    "h": 263.9
  },
  "luminance": 0.12703
}

Semantic roles & 50–950 ramp

primary

#355FBF

secondary

#CAB585

accent

#B248E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #355FBF

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

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