#555FDA#555FDA

#555FDA is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.6% C 0.186 H 274.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#555FDA
RGB	rgb(85, 95, 218)
HSL	hsl(235, 64%, 59%)
HSV	hsv(235, 61%, 85%)
CMYK	cmyk(61%, 56.4%, 0%, 14.5%)
CIE-LAB	lab(45.87, 33.10, -64.41)
CIE-LCH	lch(45.87, 72.42, 297.20°)
OKLab	oklab(54.65% 0.0159 -0.185)
OKLCH	oklch(54.65% 0.186 274.9)
XYZ	xyz(20.4893, 15.1760, 68.1656)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FDA #DAD055

analogous

#55A1DA #555FDA #8E55DA

triadic

#555FDA #DA555F #5FDA55

tetradic

#555FDA #DA55A1 #DAD055 #55DA8E

square

#555FDA #DA55A1 #DAD055 #55DA8E

split-complementary

#555FDA #DA8E55 #A1DA55

monochromatic

#202994 #2B37C7 #555FDA #878EE5 #BABEF0

Accessibility & contrast

On white

5.20

#555FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#555FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FDA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FDA	#FFFFFF	#000000	##FFFFFF
##555FDA	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DE

Deuteranopia (green-blind)

#0067D8

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555fda;
/* rgb */ color: rgb(85, 95, 218);
/* oklch */ color: oklch(54.6% 0.186 274.9);

Tailwind

colors: {
  custom: {
    50: '#918ce6',
    500: '#555fda',
    950: '#000000',
  },
}

SCSS

$custom: #555fda;
$custom-light: #918ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#555fda",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 218
  },
  "hsl": {
    "h": 235.489,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.54647,
    "c": 0.18573,
    "h": 274.9
  },
  "luminance": 0.15178
}

Semantic roles & 50–950 ramp

primary

#555FDA

secondary

#DFDBAB

accent

#DB41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FDA

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

Preview Lab → · Contrast checker → · Palette generator →