#555FD4#555FD4

#555FD4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.2% C 0.178 H 275.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#555FD4
RGB	rgb(85, 95, 212)
HSL	hsl(235, 60%, 58%)
HSV	hsv(235, 60%, 83%)
CMYK	cmyk(59.9%, 55.2%, 0%, 16.9%)
CIE-LAB	lab(45.45, 31.11, -61.67)
CIE-LCH	lch(45.45, 69.08, 296.77°)
OKLab	oklab(54.2% 0.0158 -0.177)
OKLCH	oklch(54.2% 0.178 275.1)
XYZ	xyz(19.7183, 14.8676, 64.1052)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FD4 #D4CA55

analogous

#559ED4 #555FD4 #8B55D4

triadic

#555FD4 #D4555F #5FD455

tetradic

#555FD4 #D4559E #D4CA55 #55D48B

square

#555FD4 #D4559E #D4CA55 #55D48B

split-complementary

#555FD4 #D48B55 #9ED455

monochromatic

#232B8B #303BBC #555FD4 #868DE0 #B7BBED

Accessibility & contrast

On white

5.28

#555FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#555FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FD4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FD4	#FFFFFF	#000000	##FFFFFF
##555FD4	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071D8

Deuteranopia (green-blind)

#0066D2

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555fd4;
/* rgb */ color: rgb(85, 95, 212);
/* oklch */ color: oklch(54.2% 0.178 275.1);

Tailwind

colors: {
  custom: {
    50: '#908ce2',
    500: '#555fd4',
    950: '#000000',
  },
}

SCSS

$custom: #555fd4;
$custom-light: #908ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#555fd4",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 212
  },
  "hsl": {
    "h": 235.276,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.54199,
    "c": 0.17768,
    "h": 275.1
  },
  "luminance": 0.14869
}

Semantic roles & 50–950 ramp

primary

#555FD4

secondary

#DCD8A9

accent

#D645E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555FD4

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

Preview Lab → · Contrast checker → · Palette generator →