#3553FF#3553FF

#3553FF is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.1% C 0.254 H 268.1°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3553FF
RGB	rgb(53, 83, 255)
HSL	hsl(231, 100%, 60%)
HSV	hsv(231, 79%, 100%)
CMYK	cmyk(79.2%, 67.5%, 0%, 0%)
CIE-LAB	lab(44.46, 49.17, -87.62)
CIE-LCH	lch(44.46, 100.47, 299.30°)
OKLab	oklab(54.1% -0.0086 -0.2538)
OKLCH	oklch(54.1% 0.254 268.1)
XYZ	xyz(22.6052, 14.1607, 96.1303)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553FF #FFE135

analogous

#35B8FF #3553FF #7C35FF

triadic

#3553FF #FF3553 #53FF35

tetradic

#3553FF #FF35B8 #FFE135 #35FF7C

square

#3553FF #FF35B8 #FFE135 #35FF7C

split-complementary

#3553FF #FF7C35 #B8FF35

monochromatic

#001CBA #0025F7 #3553FF #7287FF #AFBBFF

Accessibility & contrast

On white

5.48

#3553FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3553FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553FF

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553FF	#FFFFFF	#000000	##FFFFFF
##3553FF	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073FF

Deuteranopia (green-blind)

#005FFC

Tritanopia (blue-blind)

#0083A3

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3553ff;
/* rgb */ color: rgb(53, 83, 255);
/* oklch */ color: oklch(54.1% 0.254 268.1);

Tailwind

colors: {
  custom: {
    50: '#8d84ff',
    500: '#3553ff',
    950: '#000000',
  },
}

SCSS

$custom: #3553ff;
$custom-light: #8d84ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3553ff",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 255
  },
  "hsl": {
    "h": 231.089,
    "s": 100,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54097,
    "c": 0.25398,
    "h": 268.1
  },
  "luminance": 0.14163
}

Semantic roles & 50–950 ramp

primary

#3553FF

secondary

#EEE3A1

accent

#C300E6

background

#F9F8FF

surface

#F2EFFF

border

#CCCAD7

text

#0F0B18

muted

#7E7C86

Preview Lab

Preview with #3553FF

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

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