#555CD7#555CD7

#555CD7 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.185 H 275.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#555CD7
RGB	rgb(85, 92, 215)
HSL	hsl(237, 62%, 59%)
HSV	hsv(237, 60%, 84%)
CMYK	cmyk(60.5%, 57.2%, 0%, 15.7%)
CIE-LAB	lab(44.93, 33.96, -64.24)
CIE-LCH	lch(44.93, 72.66, 297.86°)
OKLab	oklab(53.88% 0.0187 -0.1845)
OKLCH	oklch(53.88% 0.185 275.8)
XYZ	xyz(19.8352, 14.4903, 66.0285)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CD7 #D7D055

analogous

#559DD7 #555CD7 #8F55D7

triadic

#555CD7 #D7555C #5CD755

tetradic

#555CD7 #D7559D #D7D055 #55D78F

square

#555CD7 #D7559D #D7D055 #55D78F

split-complementary

#555CD7 #D78F55 #9DD755

monochromatic

#222890 #2D35C1 #555CD7 #878CE3 #B8BBEE

Accessibility & contrast

On white

5.39

#555CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#555CD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CD7

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CD7	#FFFFFF	#000000	##FFFFFF
##555CD7	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DB

Deuteranopia (green-blind)

#0065D5

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555cd7;
/* rgb */ color: rgb(85, 92, 215);
/* oklch */ color: oklch(53.9% 0.185 275.8);

Tailwind

colors: {
  custom: {
    50: '#918ae4',
    500: '#555cd7',
    950: '#000000',
  },
}

SCSS

$custom: #555cd7;
$custom-light: #918ae4;
$custom-dark: #000000;

JSON

{
  "hex": "#555cd7",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 215
  },
  "hsl": {
    "h": 236.769,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53876,
    "c": 0.18549,
    "h": 275.8
  },
  "luminance": 0.14492
}

Semantic roles & 50–950 ramp

primary

#555CD7

secondary

#DEDBAA

accent

#DC43E5

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555CD7

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

Preview Lab → · Contrast checker → · Palette generator →