#355CBF#355CBF

#355CBF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.162 H 264.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#355CBF
RGB	rgb(53, 92, 191)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 72%, 75%)
CMYK	cmyk(72.3%, 51.8%, 0%, 25.1%)
CIE-LAB	lab(41.49, 20.58, -56.06)
CIE-LCH	lch(41.49, 59.72, 290.15°)
OKLab	oklab(50.29% -0.0143 -0.1612)
OKLCH	oklch(50.29% 0.162 264.9)
XYZ	xyz(14.6960, 12.1712, 50.8549)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CBF #BF9835

analogous

#35A1BF #355CBF #5335BF

triadic

#355CBF #BF355C #5CBF35

tetradic

#355CBF #BF35A1 #BF9835 #35BF53

square

#355CBF #BF35A1 #BF9835 #35BF53

split-complementary

#355CBF #BF5335 #A1BF35

monochromatic

#1A2E5F #28458F #355CBF #5F7FD3 #8FA6E0

Accessibility & contrast

On white

6.11

#355CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#355CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CBF

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CBF	#FFFFFF	#000000	##FFFFFF
##355CBF	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C69C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355cbf;
/* rgb */ color: rgb(53, 92, 191);
/* oklch */ color: oklch(50.3% 0.162 264.9);

Tailwind

colors: {
  custom: {
    50: '#7e89d3',
    500: '#355cbf',
    950: '#000000',
  },
}

SCSS

$custom: #355cbf;
$custom-light: #7e89d3;
$custom-dark: #000000;

JSON

{
  "hex": "#355cbf",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 191
  },
  "hsl": {
    "h": 223.043,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50289,
    "c": 0.16185,
    "h": 264.9
  },
  "luminance": 0.12173
}

Semantic roles & 50–950 ramp

primary

#355CBF

secondary

#CAB785

accent

#B548E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355CBF

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

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