#555ACA#555ACA

#555ACA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.171 H 276.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#555ACA
RGB	rgb(85, 90, 202)
HSL	hsl(237, 52%, 56%)
HSV	hsv(237, 58%, 79%)
CMYK	cmyk(57.9%, 55.4%, 0%, 20.8%)
CIE-LAB	lab(43.52, 30.91, -59.06)
CIE-LCH	lch(43.52, 66.66, 297.63°)
OKLab	oklab(52.53% 0.0204 -0.1693)
OKLCH	oklch(52.53% 0.171 276.9)
XYZ	xyz(18.0597, 13.5066, 57.5210)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ACA #CAC555

analogous

#5595CA #555ACA #8B55CA

triadic

#555ACA #CA555A #5ACA55

tetradic

#555ACA #CA5595 #CAC555 #55CA8B

square

#555ACA #CA5595 #CAC555 #55CA8B

split-complementary

#555ACA #CA8B55 #95CA55

monochromatic

#272B7D #363BAC #555ACA #8487D9 #B2B5E7

Accessibility & contrast

On white

5.67

#555ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#555ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ACA

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ACA	#FFFFFF	#000000	##FFFFFF
##555ACA	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#016CCE

Deuteranopia (green-blind)

#0062C8

Tritanopia (blue-blind)

#027489

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555aca;
/* rgb */ color: rgb(85, 90, 202);
/* oklch */ color: oklch(52.5% 0.171 276.9);

Tailwind

colors: {
  custom: {
    50: '#8f88db',
    500: '#555aca',
    950: '#000000',
  },
}

SCSS

$custom: #555aca;
$custom-light: #8f88db;
$custom-dark: #000000;

JSON

{
  "hex": "#555aca",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 202
  },
  "hsl": {
    "h": 237.436,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52534,
    "c": 0.17057,
    "h": 276.9
  },
  "luminance": 0.13508
}

Semantic roles & 50–950 ramp

primary

#555ACA

secondary

#D5D3A5

accent

#D64CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555ACA

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

Preview Lab → · Contrast checker → · Palette generator →