#355FDF#355FDF

#355FDF is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 53.4% C 0.201 H 265.9°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#355FDF
RGB	rgb(53, 95, 223)
HSL	hsl(225, 73%, 54%)
HSV	hsv(225, 76%, 87%)
CMYK	cmyk(76.2%, 57.4%, 0%, 12.5%)
CIE-LAB	lab(44.61, 30.45, -69.38)
CIE-LCH	lch(44.61, 75.77, 293.69°)
OKLab	oklab(53.38% -0.0144 -0.2003)
OKLCH	oklch(53.38% 0.201 265.9)
XYZ	xyz(18.8750, 14.2669, 71.5567)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FDF #DFB535

analogous

#35B4DF #355FDF #6035DF

triadic

#355FDF #DF355F #5FDF35

tetradic

#355FDF #DF35B4 #DFB535 #35DF60

square

#355FDF #DF35B4 #DFB535 #35DF60

split-complementary

#355FDF #DF6035 #B4DF35

monochromatic

#153185 #1D44B9 #355FDF #6A89E7 #9FB3F0

Accessibility & contrast

On white

5.45

#355FDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#355FDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FDF

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FDF	#FFFFFF	#000000	##FFFFFF
##355FDF	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E3

Deuteranopia (green-blind)

#0062DD

Tritanopia (blue-blind)

#007F96

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #355fdf;
/* rgb */ color: rgb(53, 95, 223);
/* oklch */ color: oklch(53.4% 0.201 265.9);

Tailwind

colors: {
  custom: {
    50: '#858bea',
    500: '#355fdf',
    950: '#000000',
  },
}

SCSS

$custom: #355fdf;
$custom-light: #858bea;
$custom-dark: #000000;

JSON

{
  "hex": "#355fdf",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 223
  },
  "hsl": {
    "h": 225.176,
    "s": 72.65,
    "l": 54.118
  },
  "oklch": {
    "l": 0.53383,
    "c": 0.20084,
    "h": 265.9
  },
  "luminance": 0.14269
}

Semantic roles & 50–950 ramp

primary

#355FDF

secondary

#DCCA94

accent

#C238EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #355FDF

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

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