#555DDE#555DDE

#555DDE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.6% C 0.194 H 275.3°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#555DDE
RGB	rgb(85, 93, 222)
HSL	hsl(236, 67%, 60%)
HSV	hsv(236, 62%, 87%)
CMYK	cmyk(61.7%, 58.1%, 0%, 12.9%)
CIE-LAB	lab(45.68, 35.65, -67.01)
CIE-LCH	lch(45.68, 75.90, 298.02°)
OKLab	oklab(54.59% 0.0178 -0.1927)
OKLCH	oklch(54.59% 0.194 275.3)
XYZ	xyz(20.8412, 15.0322, 70.8963)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DDE #DED655

analogous

#55A2DE #555DDE #9155DE

triadic

#555DDE #DE555D #5DDE55

tetradic

#555DDE #DE55A2 #DED655 #55DE91

square

#555DDE #DE55A2 #DED655 #55DE91

split-complementary

#555DDE #DE9155 #A2DE55

monochromatic

#1E259B #2832CE #555DDE #888EE8 #BCBFF2

Accessibility & contrast

On white

5.24

#555DDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#555DDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DDE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DDE	#FFFFFF	#000000	##FFFFFF
##555DDE	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E2

Deuteranopia (green-blind)

#0066DB

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555dde;
/* rgb */ color: rgb(85, 93, 222);
/* oklch */ color: oklch(54.6% 0.194 275.3);

Tailwind

colors: {
  custom: {
    50: '#928be9',
    500: '#555dde',
    950: '#000000',
  },
}

SCSS

$custom: #555dde;
$custom-light: #928be9;
$custom-dark: #000000;

JSON

{
  "hex": "#555dde",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 222
  },
  "hsl": {
    "h": 236.496,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54593,
    "c": 0.19351,
    "h": 275.3
  },
  "luminance": 0.15034
}

Semantic roles & 50–950 ramp

primary

#555DDE

secondary

#E2DFAD

accent

#C516CF

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DDE

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

Preview Lab → · Contrast checker → · Palette generator →