#555BE0#555BE0

#555BE0 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.4% C 0.199 H 275.6°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#555BE0
RGB	rgb(85, 91, 224)
HSL	hsl(237, 69%, 61%)
HSV	hsv(237, 62%, 88%)
CMYK	cmyk(62.1%, 59.4%, 0%, 12.2%)
CIE-LAB	lab(45.35, 37.53, -68.67)
CIE-LCH	lch(45.35, 78.26, 298.66°)
OKLab	oklab(54.4% 0.0195 -0.1976)
OKLCH	oklch(54.4% 0.199 275.6)
XYZ	xyz(20.9375, 14.7936, 72.2586)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BE0 #E0DA55

analogous

#55A0E0 #555BE0 #9455E0

triadic

#555BE0 #E0555B #5BE055

tetradic

#555BE0 #E055A0 #E0DA55 #55E094

square

#555BE0 #E055A0 #E0DA55 #55E094

split-complementary

#555BE0 #E09455 #A0E055

monochromatic

#1D229E #262ED2 #555BE0 #898DE9 #BDBFF3

Accessibility & contrast

On white

5.30

#555BE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#555BE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BE0

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BE0	#FFFFFF	#000000	##FFFFFF
##555BE0	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)

#0071E4

Deuteranopia (green-blind)

#0065DD

Tritanopia (blue-blind)

#007C95

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555be0;
/* rgb */ color: rgb(85, 91, 224);
/* oklch */ color: oklch(54.4% 0.199 275.6);

Tailwind

colors: {
  custom: {
    50: '#9389eb',
    500: '#555be0',
    950: '#000000',
  },
}

SCSS

$custom: #555be0;
$custom-light: #9389eb;
$custom-dark: #000000;

JSON

{
  "hex": "#555be0",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 224
  },
  "hsl": {
    "h": 237.41,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.54396,
    "c": 0.19857,
    "h": 275.6
  },
  "luminance": 0.14795
}

Semantic roles & 50–950 ramp

primary

#555BE0

secondary

#E3E1AE

accent

#C914D1

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555BE0

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

Preview Lab → · Contrast checker → · Palette generator →