#5551CD#5551CD

#5551CD is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.2% C 0.186 H 279.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#5551CD
RGB	rgb(85, 81, 205)
HSL	hsl(242, 55%, 56%)
HSV	hsv(242, 60%, 80%)
CMYK	cmyk(58.5%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(41.57, 37.42, -63.96)
CIE-LCH	lch(41.57, 74.10, 300.33°)
OKLab	oklab(51.16% 0.029 -0.1838)
OKLCH	oklch(51.16% 0.186 279)
XYZ	xyz(17.7047, 12.2227, 59.1720)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551CD #C9CD51

analogous

#518BCD #5551CD #9351CD

triadic

#5551CD #CD5551 #51CD55

tetradic

#5551CD #CD518B #C9CD51 #51CD93

square

#5551CD #CD518B #C9CD51 #51CD93

split-complementary

#5551CD #CD9351 #8BCD51

monochromatic

#27257F #3632AF #5551CD #8381DB #B2B0E8

Accessibility & contrast

On white

6.10

#5551CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#5551CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551CD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551CD	#FFFFFF	#000000	##FFFFFF
##5551CD	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#005DCB

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5551cd;
/* rgb */ color: rgb(85, 81, 205);
/* oklch */ color: oklch(51.2% 0.186 279.0);

Tailwind

colors: {
  custom: {
    50: '#9082dd',
    500: '#5551cd',
    950: '#000000',
  },
}

SCSS

$custom: #5551cd;
$custom-light: #9082dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5551cd",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 241.935,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5116,
    "c": 0.18609,
    "h": 279
  },
  "luminance": 0.12224
}

Semantic roles & 50–950 ramp

primary

#5551CD

secondary

#D5D7A3

accent

#DF49DA

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5551CD

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

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