#5551CA#5551CA

#5551CA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.9% C 0.182 H 279.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5551CA
RGB	rgb(85, 81, 202)
HSL	hsl(242, 53%, 55%)
HSV	hsv(242, 60%, 79%)
CMYK	cmyk(57.9%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(41.34, 36.45, -62.59)
CIE-LCH	lch(41.34, 72.43, 300.21°)
OKLab	oklab(50.92% 0.0292 -0.1798)
OKLCH	oklch(50.92% 0.182 279.2)
XYZ	xyz(17.3460, 12.0792, 57.2831)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551CA #C6CA51

analogous

#518ACA #5551CA #9151CA

triadic

#5551CA #CA5551 #51CA55

tetradic

#5551CA #CA518A #C6CA51 #51CA91

square

#5551CA #CA518A #C6CA51 #51CA91

split-complementary

#5551CA #CA9151 #8ACA51

monochromatic

#28257B #3834AA #5551CA #8380D8 #B1AFE7

Accessibility & contrast

On white

6.15

#5551CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#5551CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551CA

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551CA	#FFFFFF	#000000	##FFFFFF
##5551CA	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#076E86

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5551ca;
/* rgb */ color: rgb(85, 81, 202);
/* oklch */ color: oklch(50.9% 0.182 279.2);

Tailwind

colors: {
  custom: {
    50: '#9082db',
    500: '#5551ca',
    950: '#000000',
  },
}

SCSS

$custom: #5551ca;
$custom-light: #9082db;
$custom-dark: #000000;

JSON

{
  "hex": "#5551ca",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 241.983,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50922,
    "c": 0.18214,
    "h": 279.2
  },
  "luminance": 0.1208
}

Semantic roles & 50–950 ramp

primary

#5551CA

secondary

#D3D5A2

accent

#DD4BD8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5551CA

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

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