#555FD6#555FD6

#555FD6 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.3% C 0.180 H 275.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#555FD6
RGB	rgb(85, 95, 214)
HSL	hsl(235, 61%, 59%)
HSV	hsv(235, 60%, 84%)
CMYK	cmyk(60.3%, 55.6%, 0%, 16.1%)
CIE-LAB	lab(45.59, 31.77, -62.59)
CIE-LCH	lch(45.59, 70.19, 296.92°)
OKLab	oklab(54.35% 0.0159 -0.1797)
OKLCH	oklch(54.35% 0.18 275)
XYZ	xyz(19.9722, 14.9692, 65.4422)
Luminance	0.1497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FD6 #D6CC55

analogous

#559FD6 #555FD6 #8B55D6

triadic

#555FD6 #D6555F #5FD655

tetradic

#555FD6 #D6559F #D6CC55 #55D68B

square

#555FD6 #D6559F #D6CC55 #55D68B

split-complementary

#555FD6 #D68B55 #9FD655

monochromatic

#222B8E #2E39C0 #555FD6 #868DE2 #B8BCEE

Accessibility & contrast

On white

5.26

#555FD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#555FD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FD6

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FD6	#FFFFFF	#000000	##FFFFFF
##555FD6	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DA

Deuteranopia (green-blind)

#0067D4

Tritanopia (blue-blind)

#007B91

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555fd6;
/* rgb */ color: rgb(85, 95, 214);
/* oklch */ color: oklch(54.3% 0.180 275.0);

Tailwind

colors: {
  custom: {
    50: '#918ce3',
    500: '#555fd6',
    950: '#000000',
  },
}

SCSS

$custom: #555fd6;
$custom-light: #918ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#555fd6",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 214
  },
  "hsl": {
    "h": 235.349,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.54347,
    "c": 0.18038,
    "h": 275
  },
  "luminance": 0.14971
}

Semantic roles & 50–950 ramp

primary

#555FD6

secondary

#DDD9AA

accent

#D844E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FD6

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

Preview Lab → · Contrast checker → · Palette generator →