#555DD7#555DD7

#555DD7 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.1% C 0.184 H 275.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#555DD7
RGB	rgb(85, 93, 215)
HSL	hsl(236, 62%, 59%)
HSV	hsv(236, 60%, 84%)
CMYK	cmyk(60.5%, 56.7%, 0%, 15.7%)
CIE-LAB	lab(45.17, 33.34, -63.84)
CIE-LCH	lch(45.17, 72.02, 297.57°)
OKLab	oklab(54.06% 0.0177 -0.1834)
OKLCH	oklch(54.06% 0.184 275.5)
XYZ	xyz(19.9224, 14.6647, 66.0575)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DD7 #D7CF55

analogous

#559ED7 #555DD7 #8E55D7

triadic

#555DD7 #D7555D #5DD755

tetradic

#555DD7 #D7559E #D7CF55 #55D78E

square

#555DD7 #D7559E #D7CF55 #55D78E

split-complementary

#555DD7 #D78E55 #9ED755

monochromatic

#222990 #2D37C1 #555DD7 #878CE3 #B8BBEE

Accessibility & contrast

On white

5.34

#555DD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#555DD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DD7

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DD7	#FFFFFF	#000000	##FFFFFF
##555DD7	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DB

Deuteranopia (green-blind)

#0065D5

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555dd7;
/* rgb */ color: rgb(85, 93, 215);
/* oklch */ color: oklch(54.1% 0.184 275.5);

Tailwind

colors: {
  custom: {
    50: '#918be4',
    500: '#555dd7',
    950: '#000000',
  },
}

SCSS

$custom: #555dd7;
$custom-light: #918be4;
$custom-dark: #000000;

JSON

{
  "hex": "#555dd7",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 215
  },
  "hsl": {
    "h": 236.308,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.54057,
    "c": 0.18424,
    "h": 275.5
  },
  "luminance": 0.14666
}

Semantic roles & 50–950 ramp

primary

#555DD7

secondary

#DEDAAA

accent

#DB43E5

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DD7

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

Preview Lab → · Contrast checker → · Palette generator →