#555FD0#555FD0

#555FD0 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.9% C 0.172 H 275.2°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#555FD0
RGB	rgb(85, 95, 208)
HSL	hsl(235, 57%, 57%)
HSV	hsv(235, 59%, 82%)
CMYK	cmyk(59.1%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(45.18, 29.79, -59.83)
CIE-LCH	lch(45.18, 66.83, 296.47°)
OKLab	oklab(53.91% 0.0156 -0.1716)
OKLCH	oklch(53.91% 0.172 275.2)
XYZ	xyz(19.2200, 14.6683, 61.4807)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FD0 #D0C655

analogous

#559CD0 #555FD0 #8955D0

triadic

#555FD0 #D0555F #5FD055

tetradic

#555FD0 #D0559C #D0C655 #55D089

square

#555FD0 #D0559C #D0C655 #55D089

split-complementary

#555FD0 #D08955 #9CD055

monochromatic

#252D86 #323DB6 #555FD0 #858CDD #B5B9EB

Accessibility & contrast

On white

5.34

#555FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#555FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FD0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FD0	#FFFFFF	#000000	##FFFFFF
##555FD0	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)

#1070D4

Deuteranopia (green-blind)

#0066CE

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555fd0;
/* rgb */ color: rgb(85, 95, 208);
/* oklch */ color: oklch(53.9% 0.172 275.2);

Tailwind

colors: {
  custom: {
    50: '#908cdf',
    500: '#555fd0',
    950: '#000000',
  },
}

SCSS

$custom: #555fd0;
$custom-light: #908cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#555fd0",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 235.122,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53905,
    "c": 0.17227,
    "h": 275.2
  },
  "luminance": 0.1467
}

Semantic roles & 50–950 ramp

primary

#555FD0

secondary

#D9D5A8

accent

#D448E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555FD0

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

Preview Lab → · Contrast checker → · Palette generator →