#555DDF#555DDF

#555DDF is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.7% C 0.195 H 275.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#555DDF
RGB	rgb(85, 93, 223)
HSL	hsl(237, 68%, 60%)
HSV	hsv(237, 62%, 87%)
CMYK	cmyk(61.9%, 58.3%, 0%, 12.5%)
CIE-LAB	lab(45.75, 35.98, -67.45)
CIE-LCH	lch(45.75, 76.45, 298.08°)
OKLab	oklab(54.67% 0.0178 -0.194)
OKLCH	oklch(54.67% 0.195 275.2)
XYZ	xyz(20.9756, 15.0860, 71.6043)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DDF #DFD755

analogous

#55A2DF #555DDF #9255DF

triadic

#555DDF #DF555D #5DDF55

tetradic

#555DDF #DF55A2 #DFD755 #55DF92

square

#555DDF #DF55A2 #DFD755 #55DF92

split-complementary

#555DDF #DF9255 #A2DF55

monochromatic

#1D259C #2731D0 #555DDF #898EE9 #BCBFF2

Accessibility & contrast

On white

5.23

#555DDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#555DDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DDF

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DDF	#FFFFFF	#000000	##FFFFFF
##555DDF	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E3

Deuteranopia (green-blind)

#0066DC

Tritanopia (blue-blind)

#007D95

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ddf;
/* rgb */ color: rgb(85, 93, 223);
/* oklch */ color: oklch(54.7% 0.195 275.2);

Tailwind

colors: {
  custom: {
    50: '#928bea',
    500: '#555ddf',
    950: '#000000',
  },
}

SCSS

$custom: #555ddf;
$custom-light: #928bea;
$custom-dark: #000000;

JSON

{
  "hex": "#555ddf",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 223
  },
  "hsl": {
    "h": 236.522,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5467,
    "c": 0.19481,
    "h": 275.2
  },
  "luminance": 0.15088
}

Semantic roles & 50–950 ramp

primary

#555DDF

secondary

#E2DFAE

accent

#C515D0

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DDF

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

Preview Lab → · Contrast checker → · Palette generator →