#554ECB#554ECB

#554ECB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.5% C 0.187 H 279.8°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#554ECB
RGB	rgb(85, 78, 203)
HSL	hsl(243, 55%, 55%)
HSV	hsv(243, 62%, 80%)
CMYK	cmyk(58.1%, 61.6%, 0%, 20.4%)
CIE-LAB	lab(40.72, 38.59, -64.18)
CIE-LCH	lch(40.72, 74.89, 301.01°)
OKLab	oklab(50.49% 0.0319 -0.1845)
OKLCH	oklch(50.49% 0.187 279.8)
XYZ	xyz(17.2468, 11.6907, 57.8360)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#554ECB #C4CB4E

analogous

#4E85CB #554ECB #934ECB

triadic

#554ECB #CB554E #4ECB55

tetradic

#554ECB #CB4E85 #C4CB4E #4ECB93

square

#554ECB #CB4E85 #C4CB4E #4ECB93

split-complementary

#554ECB #CB934E #85CB4E

monochromatic

#29247B #3932AA #554ECB #827DD9 #B0ADE7

Accessibility & contrast

On white

6.29

#554ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#554ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #554ECB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##554ECB	#FFFFFF	#000000	##FFFFFF
##554ECB	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#056D85

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #554ecb;
/* rgb */ color: rgb(85, 78, 203);
/* oklch */ color: oklch(50.5% 0.187 279.8);

Tailwind

colors: {
  custom: {
    50: '#9080dc',
    500: '#554ecb',
    950: '#000000',
  },
}

SCSS

$custom: #554ecb;
$custom-light: #9080dc;
$custom-dark: #000000;

JSON

{
  "hex": "#554ecb",
  "rgb": {
    "r": 85,
    "g": 78,
    "b": 203
  },
  "hsl": {
    "h": 243.36,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50489,
    "c": 0.18722,
    "h": 279.8
  },
  "luminance": 0.11692
}

Semantic roles & 50–950 ramp

primary

#554ECB

secondary

#D2D5A0

accent

#DE4AD6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #554ECB

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

Preview Lab → · Contrast checker → · Palette generator →