#555CDC#555CDC

#555CDC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.3% C 0.192 H 275.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#555CDC
RGB	rgb(85, 92, 220)
HSL	hsl(237, 66%, 60%)
HSV	hsv(237, 61%, 86%)
CMYK	cmyk(61.4%, 58.2%, 0%, 13.7%)
CIE-LAB	lab(45.29, 35.60, -66.50)
CIE-LCH	lch(45.29, 75.43, 298.17°)
OKLab	oklab(54.26% 0.0187 -0.1912)
OKLCH	oklch(54.26% 0.192 275.6)
XYZ	xyz(20.4875, 14.7513, 69.4639)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CDC #DCD555

analogous

#559FDC #555CDC #9255DC

triadic

#555CDC #DC555C #5CDC55

tetradic

#555CDC #DC559F #DCD555 #55DC92

square

#555CDC #DC559F #DCD555 #55DC92

split-complementary

#555CDC #DC9255 #9FDC55

monochromatic

#1F2597 #2A32CA #555CDC #888DE6 #BBBDF1

Accessibility & contrast

On white

5.32

#555CDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#555CDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CDC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CDC	#FFFFFF	#000000	##FFFFFF
##555CDC	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E0

Deuteranopia (green-blind)

#0065D9

Tritanopia (blue-blind)

#007B93

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555cdc;
/* rgb */ color: rgb(85, 92, 220);
/* oklch */ color: oklch(54.3% 0.192 275.6);

Tailwind

colors: {
  custom: {
    50: '#928ae8',
    500: '#555cdc',
    950: '#000000',
  },
}

SCSS

$custom: #555cdc;
$custom-light: #928ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#555cdc",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 220
  },
  "hsl": {
    "h": 236.889,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.5426,
    "c": 0.19211,
    "h": 275.6
  },
  "luminance": 0.14753
}

Semantic roles & 50–950 ramp

primary

#555CDC

secondary

#E0DEAC

accent

#E03FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555CDC

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

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