#555ECA#555ECA

#555ECA is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.3% C 0.165 H 275.7°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#555ECA
RGB	rgb(85, 94, 202)
HSL	hsl(235, 52%, 56%)
HSV	hsv(235, 58%, 79%)
CMYK	cmyk(57.9%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(44.52, 28.42, -57.45)
CIE-LCH	lch(44.52, 64.09, 296.33°)
OKLab	oklab(53.28% 0.0164 -0.1645)
OKLCH	oklch(53.28% 0.165 275.7)
XYZ	xyz(18.4062, 14.1996, 57.6365)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ECA #CAC155

analogous

#5599CA #555ECA #8755CA

triadic

#555ECA #CA555E #5ECA55

tetradic

#555ECA #CA5599 #CAC155 #55CA87

square

#555ECA #CA5599 #CAC155 #55CA87

split-complementary

#555ECA #CA8755 #99CA55

monochromatic

#272E7D #363FAC #555ECA #848AD9 #B2B6E7

Accessibility & contrast

On white

5.47

#555ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#555ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ECA

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ECA	#FFFFFF	#000000	##FFFFFF
##555ECA	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6ECE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555eca;
/* rgb */ color: rgb(85, 94, 202);
/* oklch */ color: oklch(53.3% 0.165 275.7);

Tailwind

colors: {
  custom: {
    50: '#8f8bdb',
    500: '#555eca',
    950: '#000000',
  },
}

SCSS

$custom: #555eca;
$custom-light: #8f8bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#555eca",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 235.385,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53282,
    "c": 0.16536,
    "h": 275.7
  },
  "luminance": 0.14201
}

Semantic roles & 50–950 ramp

primary

#555ECA

secondary

#D5D2A5

accent

#D14CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555ECA

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

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