#555DCC#555DCC

#555DCC is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.169 H 275.9°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#555DCC
RGB	rgb(85, 93, 204)
HSL	hsl(236, 54%, 57%)
HSV	hsv(236, 58%, 80%)
CMYK	cmyk(58.3%, 54.4%, 0%, 20%)
CIE-LAB	lab(44.40, 29.71, -58.78)
CIE-LCH	lch(44.40, 65.86, 296.81°)
OKLab	oklab(53.24% 0.0175 -0.1685)
OKLCH	oklch(53.24% 0.169 275.9)
XYZ	xyz(18.5562, 14.1183, 58.8623)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DCC #CCC455

analogous

#5599CC #555DCC #8955CC

triadic

#555DCC #CC555D #5DCC55

tetradic

#555DCC #CC5599 #CCC455 #55CC89

square

#555DCC #CC5599 #CCC455 #55CC89

split-complementary

#555DCC #CC8955 #99CC55

monochromatic

#262C80 #353DAF #555DCC #848ADA #B3B7E8

Accessibility & contrast

On white

5.49

#555DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#555DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DCC

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DCC	#FFFFFF	#000000	##FFFFFF
##555DCC	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106ED0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555dcc;
/* rgb */ color: rgb(85, 93, 204);
/* oklch */ color: oklch(53.2% 0.169 275.9);

Tailwind

colors: {
  custom: {
    50: '#8f8adc',
    500: '#555dcc',
    950: '#000000',
  },
}

SCSS

$custom: #555dcc;
$custom-light: #8f8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#555dcc",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 204
  },
  "hsl": {
    "h": 235.966,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53239,
    "c": 0.1694,
    "h": 275.9
  },
  "luminance": 0.1412
}

Semantic roles & 50–950 ramp

primary

#555DCC

secondary

#D7D3A6

accent

#D34BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555DCC

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

Preview Lab → · Contrast checker → · Palette generator →