#5558E4#5558E4

#5558E4 is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 54.2% C 0.207 H 276.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5558E4
RGB	rgb(85, 88, 228)
HSL	hsl(239, 73%, 61%)
HSV	hsv(239, 63%, 89%)
CMYK	cmyk(62.7%, 61.4%, 0%, 10.6%)
CIE-LAB	lab(44.96, 40.65, -71.58)
CIE-LCH	lch(44.96, 82.32, 299.59°)
OKLab	oklab(54.2% 0.0219 -0.2062)
OKLCH	oklch(54.2% 0.207 276.1)
XYZ	xyz(21.2351, 14.5104, 75.0655)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5558E4 #E4E155

analogous

#55A0E4 #5558E4 #9A55E4

triadic

#5558E4 #E45558 #58E455

tetradic

#5558E4 #E455A0 #E4E155 #55E49A

square

#5558E4 #E455A0 #E4E155 #55E49A

split-complementary

#5558E4 #E49A55 #A0E455

monochromatic

#1A1DA4 #2326D9 #5558E4 #8A8CEC #BFC0F5

Accessibility & contrast

On white

5.38

#5558E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5558E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5558E4

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5558E4	#FFFFFF	#000000	##FFFFFF
##5558E4	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E9

Deuteranopia (green-blind)

#0064E1

Tritanopia (blue-blind)

#007B96

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5558e4;
/* rgb */ color: rgb(85, 88, 228);
/* oklch */ color: oklch(54.2% 0.207 276.1);

Tailwind

colors: {
  custom: {
    50: '#9487ee',
    500: '#5558e4',
    950: '#000000',
  },
}

SCSS

$custom: #5558e4;
$custom-light: #9487ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5558e4",
  "rgb": {
    "r": 85,
    "g": 88,
    "b": 228
  },
  "hsl": {
    "h": 238.741,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54202,
    "c": 0.20734,
    "h": 276.1
  },
  "luminance": 0.14512
}

Semantic roles & 50–950 ramp

primary

#5558E4

secondary

#E5E4B0

accent

#D111D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5558E4

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

Preview Lab → · Contrast checker → · Palette generator →