#555ACD#555ACD

#555ACD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.175 H 276.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#555ACD
RGB	rgb(85, 90, 205)
HSL	hsl(238, 55%, 57%)
HSV	hsv(238, 59%, 80%)
CMYK	cmyk(58.5%, 56.1%, 0%, 19.6%)
CIE-LAB	lab(43.73, 31.90, -60.45)
CIE-LCH	lch(43.73, 68.35, 297.82°)
OKLab	oklab(52.76% 0.0205 -0.1734)
OKLCH	oklch(52.76% 0.175 276.7)
XYZ	xyz(18.4184, 13.6500, 59.4099)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ACD #CDC855

analogous

#5596CD #555ACD #8C55CD

triadic

#555ACD #CD555A #5ACD55

tetradic

#555ACD #CD5596 #CDC855 #55CD8C

square

#555ACD #CD5596 #CDC855 #55CD8C

split-complementary

#555ACD #CD8C55 #96CD55

monochromatic

#262A82 #3439B1 #555ACD #8488DB #B4B6E9

Accessibility & contrast

On white

5.63

#555ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#555ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ACD

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ACD	#FFFFFF	#000000	##FFFFFF
##555ACD	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0062CB

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555acd;
/* rgb */ color: rgb(85, 90, 205);
/* oklch */ color: oklch(52.8% 0.175 276.7);

Tailwind

colors: {
  custom: {
    50: '#9088dd',
    500: '#555acd',
    950: '#000000',
  },
}

SCSS

$custom: #555acd;
$custom-light: #9088dd;
$custom-dark: #000000;

JSON

{
  "hex": "#555acd",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 205
  },
  "hsl": {
    "h": 237.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52757,
    "c": 0.17464,
    "h": 276.7
  },
  "luminance": 0.13651
}

Semantic roles & 50–950 ramp

primary

#555ACD

secondary

#D7D5A6

accent

#D84ADE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555ACD

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

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