#355DBF#355DBF

#355DBF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.161 H 264.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#355DBF
RGB	rgb(53, 93, 191)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 72%, 75%)
CMYK	cmyk(72.3%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(41.76, 19.93, -55.62)
CIE-LCH	lch(41.76, 59.08, 289.71°)
OKLab	oklab(50.5% -0.0152 -0.1599)
OKLCH	oklch(50.5% 0.161 264.6)
XYZ	xyz(14.7832, 12.3456, 50.8840)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DBF #BF9735

analogous

#35A2BF #355DBF #5235BF

triadic

#355DBF #BF355D #5DBF35

tetradic

#355DBF #BF35A2 #BF9735 #35BF52

square

#355DBF #BF35A2 #BF9735 #35BF52

split-complementary

#355DBF #BF5235 #A2BF35

monochromatic

#1A2E5F #28468F #355DBF #5F80D3 #8FA6E0

Accessibility & contrast

On white

6.05

#355DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#355DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DBF

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DBF	#FFFFFF	#000000	##FFFFFF
##355DBF	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F69C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355dbf;
/* rgb */ color: rgb(53, 93, 191);
/* oklch */ color: oklch(50.5% 0.161 264.6);

Tailwind

colors: {
  custom: {
    50: '#7e8ad3',
    500: '#355dbf',
    950: '#000000',
  },
}

SCSS

$custom: #355dbf;
$custom-light: #7e8ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#355dbf",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 222.609,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50496,
    "c": 0.16061,
    "h": 264.6
  },
  "luminance": 0.12347
}

Semantic roles & 50–950 ramp

primary

#355DBF

secondary

#CAB685

accent

#B448E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355DBF

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

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