#355CDF#355CDF

#355CDF is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 52.8% C 0.204 H 266.5°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#355CDF
RGB	rgb(53, 92, 223)
HSL	hsl(226, 73%, 54%)
HSV	hsv(226, 76%, 87%)
CMYK	cmyk(76.2%, 58.7%, 0%, 12.5%)
CIE-LAB	lab(43.85, 32.35, -70.62)
CIE-LCH	lch(43.85, 77.68, 294.61°)
OKLab	oklab(52.81% -0.0124 -0.204)
OKLCH	oklch(52.81% 0.204 266.5)
XYZ	xyz(18.6100, 13.7368, 71.4684)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CDF #DFB835

analogous

#35B1DF #355CDF #6335DF

triadic

#355CDF #DF355C #5CDF35

tetradic

#355CDF #DF35B1 #DFB835 #35DF63

square

#355CDF #DF35B1 #DFB835 #35DF63

split-complementary

#355CDF #DF6335 #B1DF35

monochromatic

#152F85 #1D41B9 #355CDF #6A87E7 #9FB1F0

Accessibility & contrast

On white

5.60

#355CDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#355CDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CDF

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CDF	#FFFFFF	#000000	##FFFFFF
##355CDF	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E3

Deuteranopia (green-blind)

#0060DC

Tritanopia (blue-blind)

#007D95

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #355cdf;
/* rgb */ color: rgb(53, 92, 223);
/* oklch */ color: oklch(52.8% 0.204 266.5);

Tailwind

colors: {
  custom: {
    50: '#8589ea',
    500: '#355cdf',
    950: '#000000',
  },
}

SCSS

$custom: #355cdf;
$custom-light: #8589ea;
$custom-dark: #000000;

JSON

{
  "hex": "#355cdf",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 223
  },
  "hsl": {
    "h": 226.235,
    "s": 72.65,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52814,
    "c": 0.20439,
    "h": 266.5
  },
  "luminance": 0.13739
}

Semantic roles & 50–950 ramp

primary

#355CDF

secondary

#DCCB94

accent

#C538EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #355CDF

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

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