#555FD2#555FD2

#555FD2 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.1% C 0.175 H 275.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#555FD2
RGB	rgb(85, 95, 210)
HSL	hsl(235, 58%, 58%)
HSV	hsv(235, 60%, 82%)
CMYK	cmyk(59.5%, 54.8%, 0%, 17.6%)
CIE-LAB	lab(45.31, 30.45, -60.75)
CIE-LCH	lch(45.31, 67.96, 296.62°)
OKLab	oklab(54.05% 0.0157 -0.1743)
OKLCH	oklch(54.05% 0.175 275.2)
XYZ	xyz(19.4676, 14.7674, 62.7848)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FD2 #D2C855

analogous

#559DD2 #555FD2 #8955D2

triadic

#555FD2 #D2555F #5FD255

tetradic

#555FD2 #D2559D #D2C855 #55D289

square

#555FD2 #D2559D #D2C855 #55D289

split-complementary

#555FD2 #D28955 #9DD255

monochromatic

#242C88 #313CB9 #555FD2 #858DDF #B6BAEC

Accessibility & contrast

On white

5.31

#555FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#555FD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FD2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FD2	#FFFFFF	#000000	##FFFFFF
##555FD2	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0771D6

Deuteranopia (green-blind)

#0066D0

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555fd2;
/* rgb */ color: rgb(85, 95, 210);
/* oklch */ color: oklch(54.1% 0.175 275.2);

Tailwind

colors: {
  custom: {
    50: '#908ce1',
    500: '#555fd2',
    950: '#000000',
  },
}

SCSS

$custom: #555fd2;
$custom-light: #908ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#555fd2",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 210
  },
  "hsl": {
    "h": 235.2,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54052,
    "c": 0.17499,
    "h": 275.2
  },
  "luminance": 0.14769
}

Semantic roles & 50–950 ramp

primary

#555FD2

secondary

#DAD6A8

accent

#D546E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555FD2

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

Preview Lab → · Contrast checker → · Palette generator →