#355BCF#355BCF

#355BCF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.3% C 0.185 H 266.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#355BCF
RGB	rgb(53, 91, 207)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 74%, 81%)
CMYK	cmyk(74.4%, 56%, 0%, 18.8%)
CIE-LAB	lab(42.37, 27.14, -63.88)
CIE-LCH	lch(42.37, 69.41, 293.02°)
OKLab	oklab(51.32% -0.0123 -0.1842)
OKLCH	oklch(51.32% 0.185 266.2)
XYZ	xyz(16.4678, 12.7422, 60.6110)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BCF #CFA935

analogous

#35A8CF #355BCF #5C35CF

triadic

#355BCF #CF355B #5BCF35

tetradic

#355BCF #CF35A8 #CFA935 #35CF5C

square

#355BCF #CF35A8 #CFA935 #35CF5C

split-complementary

#355BCF #CF5C35 #A8CF35

monochromatic

#1A2F6F #2644A1 #355BCF #6683DB #98ABE7

Accessibility & contrast

On white

5.92

#355BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#355BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BCF

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BCF	#FFFFFF	#000000	##FFFFFF
##355BCF	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355bcf;
/* rgb */ color: rgb(53, 91, 207);
/* oklch */ color: oklch(51.3% 0.185 266.2);

Tailwind

colors: {
  custom: {
    50: '#8288de',
    500: '#355bcf',
    950: '#000000',
  },
}

SCSS

$custom: #355bcf;
$custom-light: #8288de;
$custom-dark: #000000;

JSON

{
  "hex": "#355bcf",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 207
  },
  "hsl": {
    "h": 225.195,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51322,
    "c": 0.18464,
    "h": 266.2
  },
  "luminance": 0.12744
}

Semantic roles & 50–950 ramp

primary

#355BCF

secondary

#D2C18E

accent

#BD43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355BCF

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

Preview Lab → · Contrast checker → · Palette generator →