#555DDA#555DDA

#555DDA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.3% C 0.188 H 275.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#555DDA
RGB	rgb(85, 93, 218)
HSL	hsl(236, 64%, 59%)
HSV	hsv(236, 61%, 85%)
CMYK	cmyk(61%, 57.3%, 0%, 14.5%)
CIE-LAB	lab(45.39, 34.33, -65.20)
CIE-LCH	lch(45.39, 73.69, 297.77°)
OKLab	oklab(54.29% 0.0178 -0.1874)
OKLCH	oklch(54.29% 0.188 275.4)
XYZ	xyz(20.3114, 14.8203, 68.1063)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DDA #DAD255

analogous

#55A0DA #555DDA #9055DA

triadic

#555DDA #DA555D #5DDA55

tetradic

#555DDA #DA55A0 #DAD255 #55DA90

square

#555DDA #DA55A0 #DAD255 #55DA90

split-complementary

#555DDA #DA9055 #A0DA55

monochromatic

#202794 #2B35C7 #555DDA #878DE5 #BABDF0

Accessibility & contrast

On white

5.30

#555DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#555DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DDA

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DDA	#FFFFFF	#000000	##FFFFFF
##555DDA	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DE

Deuteranopia (green-blind)

#0066D7

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555dda;
/* rgb */ color: rgb(85, 93, 218);
/* oklch */ color: oklch(54.3% 0.188 275.4);

Tailwind

colors: {
  custom: {
    50: '#918be6',
    500: '#555dda',
    950: '#000000',
  },
}

SCSS

$custom: #555dda;
$custom-light: #918be6;
$custom-dark: #000000;

JSON

{
  "hex": "#555dda",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 218
  },
  "hsl": {
    "h": 236.391,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.54285,
    "c": 0.18823,
    "h": 275.4
  },
  "luminance": 0.14822
}

Semantic roles & 50–950 ramp

primary

#555DDA

secondary

#DFDCAB

accent

#DD41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DDA

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

Preview Lab → · Contrast checker → · Palette generator →