#555BE7#555BE7

#555BE7 is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.0% C 0.208 H 275.3°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#555BE7
RGB	rgb(85, 91, 231)
HSL	hsl(238, 75%, 62%)
HSV	hsv(238, 63%, 91%)
CMYK	cmyk(63.2%, 60.6%, 0%, 9.4%)
CIE-LAB	lab(45.88, 39.83, -71.77)
CIE-LCH	lch(45.88, 82.08, 299.03°)
OKLab	oklab(54.95% 0.0193 -0.2067)
OKLCH	oklch(54.95% 0.208 275.3)
XYZ	xyz(21.9065, 15.1812, 77.3616)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BE7 #E7E155

analogous

#55A4E7 #555BE7 #9855E7

triadic

#555BE7 #E7555B #5BE755

tetradic

#555BE7 #E755A4 #E7E155 #55E798

square

#555BE7 #E755A4 #E7E155 #55E798

split-complementary

#555BE7 #E79855 #A4E755

monochromatic

#181EAA #2027DF #555BE7 #8B8FEF #C0C2F6

Accessibility & contrast

On white

5.20

#555BE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#555BE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BE7

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BE7	#FFFFFF	#000000	##FFFFFF
##555BE7	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EC

Deuteranopia (green-blind)

#0066E4

Tritanopia (blue-blind)

#007E98

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555be7;
/* rgb */ color: rgb(85, 91, 231);
/* oklch */ color: oklch(55.0% 0.208 275.3);

Tailwind

colors: {
  custom: {
    50: '#9489f0',
    500: '#555be7',
    950: '#000000',
  },
}

SCSS

$custom: #555be7;
$custom-light: #9489f0;
$custom-dark: #000000;

JSON

{
  "hex": "#555be7",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 231
  },
  "hsl": {
    "h": 237.534,
    "s": 75.258,
    "l": 61.961
  },
  "oklch": {
    "l": 0.54954,
    "c": 0.20761,
    "h": 275.3
  },
  "luminance": 0.15183
}

Semantic roles & 50–950 ramp

primary

#555BE7

secondary

#E7E5B1

accent

#CF0ED7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #555BE7

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

Preview Lab → · Contrast checker → · Palette generator →