#555DD2#555DD2

#555DD2 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.7% C 0.178 H 275.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#555DD2
RGB	rgb(85, 93, 210)
HSL	hsl(236, 58%, 58%)
HSV	hsv(236, 60%, 82%)
CMYK	cmyk(59.5%, 55.7%, 0%, 17.6%)
CIE-LAB	lab(44.82, 31.69, -61.56)
CIE-LCH	lch(44.82, 69.23, 297.24°)
OKLab	oklab(53.68% 0.0177 -0.1767)
OKLCH	oklch(53.68% 0.178 275.7)
XYZ	xyz(19.2897, 14.4117, 62.7255)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DD2 #D2CA55

analogous

#559BD2 #555DD2 #8B55D2

triadic

#555DD2 #D2555D #5DD255

tetradic

#555DD2 #D2559B #D2CA55 #55D28B

square

#555DD2 #D2559B #D2CA55 #55D28B

split-complementary

#555DD2 #D28B55 #9BD255

monochromatic

#242B88 #313AB9 #555DD2 #858BDF #B6B9EC

Accessibility & contrast

On white

5.41

#555DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#555DD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DD2

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DD2	#FFFFFF	#000000	##FFFFFF
##555DD2	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0065D0

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555dd2;
/* rgb */ color: rgb(85, 93, 210);
/* oklch */ color: oklch(53.7% 0.178 275.7);

Tailwind

colors: {
  custom: {
    50: '#908ae1',
    500: '#555dd2',
    950: '#000000',
  },
}

SCSS

$custom: #555dd2;
$custom-light: #908ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#555dd2",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 210
  },
  "hsl": {
    "h": 236.16,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.53681,
    "c": 0.17754,
    "h": 275.7
  },
  "luminance": 0.14413
}

Semantic roles & 50–950 ramp

primary

#555DD2

secondary

#DAD7A8

accent

#D746E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555DD2

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

Preview Lab → · Contrast checker → · Palette generator →