#355DDA#355DDA

#355DDA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.6% C 0.197 H 266.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#355DDA
RGB	rgb(53, 93, 218)
HSL	hsl(225, 69%, 53%)
HSV	hsv(225, 76%, 85%)
CMYK	cmyk(75.7%, 57.3%, 0%, 14.5%)
CIE-LAB	lab(43.72, 29.89, -67.99)
CIE-LCH	lch(43.72, 74.27, 293.73°)
OKLab	oklab(52.59% -0.0132 -0.1963)
OKLCH	oklch(52.59% 0.197 266.1)
XYZ	xyz(18.0330, 13.6455, 67.9995)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DDA #DAB235

analogous

#35AFDA #355DDA #6035DA

triadic

#355DDA #DA355D #5DDA35

tetradic

#355DDA #DA35AF #DAB235 #35DA60

square

#355DDA #DA35AF #DAB235 #35DA60

split-complementary

#355DDA #DA6035 #AFDA35

monochromatic

#17307E #2044B1 #355DDA #6986E3 #9CB0ED

Accessibility & contrast

On white

5.63

#355DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#355DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DDA

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DDA	#FFFFFF	#000000	##FFFFFF
##355DDA	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDE

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #355dda;
/* rgb */ color: rgb(53, 93, 218);
/* oklch */ color: oklch(52.6% 0.197 266.1);

Tailwind

colors: {
  custom: {
    50: '#848ae6',
    500: '#355dda',
    950: '#000000',
  },
}

SCSS

$custom: #355dda;
$custom-light: #848ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#355dda",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 218
  },
  "hsl": {
    "h": 225.455,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52594,
    "c": 0.19671,
    "h": 266.1
  },
  "luminance": 0.13648
}

Semantic roles & 50–950 ramp

primary

#355DDA

secondary

#D9C892

accent

#C13CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #355DDA

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

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