#5558CC#5558CC

#5558CC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.3% C 0.176 H 277.3°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5558CC
RGB	rgb(85, 88, 204)
HSL	hsl(238, 54%, 57%)
HSV	hsv(238, 58%, 80%)
CMYK	cmyk(58.3%, 56.9%, 0%, 20%)
CIE-LAB	lab(43.17, 32.80, -60.78)
CIE-LCH	lch(43.17, 69.07, 298.35°)
OKLab	oklab(52.32% 0.0224 -0.1744)
OKLCH	oklch(52.32% 0.176 277.3)
XYZ	xyz(18.1316, 13.2691, 58.7208)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5558CC #CCC955

analogous

#5594CC #5558CC #8E55CC

triadic

#5558CC #CC5558 #58CC55

tetradic

#5558CC #CC5594 #CCC955 #55CC8E

square

#5558CC #CC5594 #CCC955 #55CC8E

split-complementary

#5558CC #CC8E55 #94CC55

monochromatic

#262980 #3538AF #5558CC #8486DA #B3B4E8

Accessibility & contrast

On white

5.75

#5558CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5558CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5558CC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5558CC	#FFFFFF	#000000	##FFFFFF
##5558CC	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5558cc;
/* rgb */ color: rgb(85, 88, 204);
/* oklch */ color: oklch(52.3% 0.176 277.3);

Tailwind

colors: {
  custom: {
    50: '#8f87dc',
    500: '#5558cc',
    950: '#000000',
  },
}

SCSS

$custom: #5558cc;
$custom-light: #8f87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5558cc",
  "rgb": {
    "r": 85,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 238.487,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52318,
    "c": 0.17586,
    "h": 277.3
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary

#5558CC

secondary

#D7D6A6

accent

#DA4BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5558CC

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

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