#555EDD#555EDD

#555EDD is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.7% C 0.191 H 275.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#555EDD
RGB	rgb(85, 94, 221)
HSL	hsl(236, 67%, 60%)
HSV	hsv(236, 62%, 87%)
CMYK	cmyk(61.5%, 57.5%, 0%, 13.3%)
CIE-LAB	lab(45.85, 34.71, -66.16)
CIE-LCH	lch(45.85, 74.72, 297.68°)
OKLab	oklab(54.69% 0.0169 -0.1902)
OKLCH	oklch(54.69% 0.191 275.1)
XYZ	xyz(20.7959, 15.1555, 70.2220)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EDD #DDD455

analogous

#55A2DD #555EDD #9055DD

triadic

#555EDD #DD555E #5EDD55

tetradic

#555EDD #DD55A2 #DDD455 #55DD90

square

#555EDD #DD55A2 #DDD455 #55DD90

split-complementary

#555EDD #DD9055 #A2DD55

monochromatic

#1F2799 #2934CC #555EDD #888EE7 #BBBFF1

Accessibility & contrast

On white

5.21

#555EDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#555EDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EDD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EDD	#FFFFFF	#000000	##FFFFFF
##555EDD	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E1

Deuteranopia (green-blind)

#0067DA

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555edd;
/* rgb */ color: rgb(85, 94, 221);
/* oklch */ color: oklch(54.7% 0.191 275.1);

Tailwind

colors: {
  custom: {
    50: '#928be8',
    500: '#555edd',
    950: '#000000',
  },
}

SCSS

$custom: #555edd;
$custom-light: #928be8;
$custom-dark: #000000;

JSON

{
  "hex": "#555edd",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 221
  },
  "hsl": {
    "h": 236.029,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.54694,
    "c": 0.19095,
    "h": 275.1
  },
  "luminance": 0.15157
}

Semantic roles & 50–950 ramp

primary

#555EDD

secondary

#E1DEAD

accent

#DE3EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555EDD

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

Preview Lab → · Contrast checker → · Palette generator →