#555ABC#555ABC

#555ABC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.151 H 277.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#555ABC
RGB	rgb(85, 90, 188)
HSL	hsl(237, 43%, 54%)
HSV	hsv(237, 55%, 74%)
CMYK	cmyk(54.8%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(42.57, 26.33, -52.47)
CIE-LCH	lch(42.57, 58.70, 296.65°)
OKLab	oklab(51.53% 0.0197 -0.1499)
OKLCH	oklch(51.53% 0.151 277.5)
XYZ	xyz(16.4767, 12.8734, 49.1838)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ABC #BCB755

analogous

#558DBC #555ABC #8355BC

triadic

#555ABC #BC555A #5ABC55

tetradic

#555ABC #BC558D #BCB755 #55BC83

square

#555ABC #BC558D #BCB755 #55BC83

split-complementary

#555ABC #BC8355 #8DBC55

monochromatic

#2B2E6C #3C4098 #555ABC #8185CD #ADAFDF

Accessibility & contrast

On white

5.87

#555ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#555ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ABC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ABC	#FFFFFF	#000000	##FFFFFF
##555ABC	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569BF

Deuteranopia (green-blind)

#1360BA

Tritanopia (blue-blind)

#227082

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555abc;
/* rgb */ color: rgb(85, 90, 188);
/* oklch */ color: oklch(51.5% 0.151 277.5);

Tailwind

colors: {
  custom: {
    50: '#8d88d1',
    500: '#555abc',
    950: '#000000',
  },
}

SCSS

$custom: #555abc;
$custom-light: #8d88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#555abc",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 237.087,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51526,
    "c": 0.15124,
    "h": 277.5
  },
  "luminance": 0.12874
}

Semantic roles & 50–950 ramp

primary

#555ABC

secondary

#CCCAA0

accent

#CD55D3

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #555ABC

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

Preview Lab → · Contrast checker → · Palette generator →