#555FDE#555FDE

#555FDE is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.0% C 0.191 H 274.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#555FDE
RGB	rgb(85, 95, 222)
HSL	hsl(236, 67%, 60%)
HSV	hsv(236, 62%, 87%)
CMYK	cmyk(61.7%, 57.2%, 0%, 12.9%)
CIE-LAB	lab(46.16, 34.43, -66.22)
CIE-LCH	lch(46.16, 74.64, 297.47°)
OKLab	oklab(54.95% 0.016 -0.1904)
OKLCH	oklch(54.95% 0.191 274.8)
XYZ	xyz(21.0190, 15.3879, 70.9556)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FDE #DED455

analogous

#55A4DE #555FDE #8F55DE

triadic

#555FDE #DE555F #5FDE55

tetradic

#555FDE #DE55A4 #DED455 #55DE8F

square

#555FDE #DE55A4 #DED455 #55DE8F

split-complementary

#555FDE #DE8F55 #A4DE55

monochromatic

#1E279B #2834CE #555FDE #888FE8 #BCBFF2

Accessibility & contrast

On white

5.15

#555FDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#555FDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FDE

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FDE	#FFFFFF	#000000	##FFFFFF
##555FDE	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E2

Deuteranopia (green-blind)

#0068DB

Tritanopia (blue-blind)

#007E95

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555fde;
/* rgb */ color: rgb(85, 95, 222);
/* oklch */ color: oklch(55.0% 0.191 274.8);

Tailwind

colors: {
  custom: {
    50: '#928ce9',
    500: '#555fde',
    950: '#000000',
  },
}

SCSS

$custom: #555fde;
$custom-light: #928ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#555fde",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 222
  },
  "hsl": {
    "h": 235.62,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54951,
    "c": 0.19103,
    "h": 274.8
  },
  "luminance": 0.1539
}

Semantic roles & 50–950 ramp

primary

#555FDE

secondary

#E2DEAD

accent

#C216CF

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FDE

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

Preview Lab → · Contrast checker → · Palette generator →