#5455CF#5455CF

#5455CF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.9% C 0.184 H 277.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5455CF
RGB	rgb(84, 85, 207)
HSL	hsl(240, 56%, 57%)
HSV	hsv(240, 59%, 81%)
CMYK	cmyk(59.4%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(42.59, 35.45, -63.45)
CIE-LCH	lch(42.59, 72.68, 299.20°)
OKLab	oklab(51.94% 0.0241 -0.1823)
OKLCH	oklch(51.94% 0.184 277.5)
XYZ	xyz(18.1635, 12.8855, 60.5494)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5455CF #CFCE54

analogous

#5493CF #5455CF #9154CF

triadic

#5455CF #CF5455 #55CF54

tetradic

#5455CF #CF5493 #CFCE54 #54CF91

square

#5455CF #CF5493 #CFCE54 #54CF91

split-complementary

#5455CF #CF9154 #93CF54

monochromatic

#252684 #3233B3 #5455CF #8485DC #B4B4EA

Accessibility & contrast

On white

5.87

#5455CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5455CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5455CF

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5455CF	#FFFFFF	#000000	##FFFFFF
##5455CF	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5455cf;
/* rgb */ color: rgb(84, 85, 207);
/* oklch */ color: oklch(51.9% 0.184 277.5);

Tailwind

colors: {
  custom: {
    50: '#9085df',
    500: '#5455cf',
    950: '#000000',
  },
}

SCSS

$custom: #5455cf;
$custom-light: #9085df;
$custom-dark: #000000;

JSON

{
  "hex": "#5455cf",
  "rgb": {
    "r": 84,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 239.512,
    "s": 56.164,
    "l": 57.059
  },
  "oklch": {
    "l": 0.51942,
    "c": 0.1839,
    "h": 277.5
  },
  "luminance": 0.12887
}

Semantic roles & 50–950 ramp

primary

#5455CF

secondary

#D8D8A6

accent

#DE48DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5455CF

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

Preview Lab → · Contrast checker → · Palette generator →