#5558E9#5558E9

#5558E9 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.6% C 0.214 H 275.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5558E9
RGB	rgb(85, 88, 233)
HSL	hsl(239, 77%, 62%)
HSV	hsv(239, 64%, 91%)
CMYK	cmyk(63.5%, 62.2%, 0%, 8.6%)
CIE-LAB	lab(45.35, 42.28, -73.77)
CIE-LCH	lch(45.35, 85.03, 299.82°)
OKLab	oklab(54.61% 0.0216 -0.2126)
OKLCH	oklch(54.61% 0.214 275.8)
XYZ	xyz(21.9392, 14.7921, 78.7740)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5558E9 #E9E655

analogous

#55A2E9 #5558E9 #9C55E9

triadic

#5558E9 #E95558 #58E955

tetradic

#5558E9 #E955A2 #E9E655 #55E99C

square

#5558E9 #E955A2 #E9E655 #55E99C

split-complementary

#5558E9 #E99C55 #A2E955

monochromatic

#1619AD #1F23E2 #5558E9 #8B8DF0 #C1C2F7

Accessibility & contrast

On white

5.30

#5558E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#5558E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5558E9

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5558E9	#FFFFFF	#000000	##FFFFFF
##5558E9	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EE

Deuteranopia (green-blind)

#0065E6

Tritanopia (blue-blind)

#007D98

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5558e9;
/* rgb */ color: rgb(85, 88, 233);
/* oklch */ color: oklch(54.6% 0.214 275.8);

Tailwind

colors: {
  custom: {
    50: '#9487f1',
    500: '#5558e9',
    950: '#000000',
  },
}

SCSS

$custom: #5558e9;
$custom-light: #9487f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5558e9",
  "rgb": {
    "r": 85,
    "g": 88,
    "b": 233
  },
  "hsl": {
    "h": 238.784,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.54611,
    "c": 0.21369,
    "h": 275.8
  },
  "luminance": 0.14794
}

Semantic roles & 50–950 ramp

primary

#5558E9

secondary

#E8E7B2

accent

#D50CD9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5558E9

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

Preview Lab → · Contrast checker → · Palette generator →