#555ECC#555ECC

#555ECC is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.4% C 0.168 H 275.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#555ECC
RGB	rgb(85, 94, 204)
HSL	hsl(235, 54%, 57%)
HSV	hsv(235, 58%, 80%)
CMYK	cmyk(58.3%, 53.9%, 0%, 20%)
CIE-LAB	lab(44.65, 29.08, -58.38)
CIE-LCH	lch(44.65, 65.22, 296.48°)
OKLab	oklab(53.43% 0.0165 -0.1673)
OKLCH	oklch(53.43% 0.168 275.6)
XYZ	xyz(18.6446, 14.2950, 58.8917)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ECC #CCC355

analogous

#559ACC #555ECC #8855CC

triadic

#555ECC #CC555E #5ECC55

tetradic

#555ECC #CC559A #CCC355 #55CC88

square

#555ECC #CC559A #CCC355 #55CC88

split-complementary

#555ECC #CC8855 #9ACC55

monochromatic

#262D80 #353EAF #555ECC #848BDA #B3B7E8

Accessibility & contrast

On white

5.44

#555ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#555ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ECC

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ECC	#FFFFFF	#000000	##FFFFFF
##555ECC	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166FD0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555ecc;
/* rgb */ color: rgb(85, 94, 204);
/* oklch */ color: oklch(53.4% 0.168 275.6);

Tailwind

colors: {
  custom: {
    50: '#8f8bdc',
    500: '#555ecc',
    950: '#000000',
  },
}

SCSS

$custom: #555ecc;
$custom-light: #8f8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#555ecc",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 235.462,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53427,
    "c": 0.16811,
    "h": 275.6
  },
  "luminance": 0.14296
}

Semantic roles & 50–950 ramp

primary

#555ECC

secondary

#D7D3A6

accent

#D24BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555ECC

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

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