#5557D9#5557D9

#5557D9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.1% C 0.194 H 276.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#5557D9
RGB	rgb(85, 87, 217)
HSL	hsl(239, 63%, 59%)
HSV	hsv(239, 61%, 85%)
CMYK	cmyk(60.8%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(43.88, 37.67, -67.08)
CIE-LCH	lch(43.88, 76.93, 299.32°)
OKLab	oklab(53.15% 0.0232 -0.193)
OKLCH	oklch(53.15% 0.194 276.8)
XYZ	xyz(19.6748, 13.7559, 67.2505)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557D9 #D9D755

analogous

#5599D9 #5557D9 #9555D9

triadic

#5557D9 #D95557 #57D955

tetradic

#5557D9 #D95599 #D9D755 #55D995

square

#5557D9 #D95599 #D9D755 #55D995

split-complementary

#5557D9 #D99555 #99D955

monochromatic

#212393 #2C2EC5 #5557D9 #8788E4 #B9BAEF

Accessibility & contrast

On white

5.60

#5557D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#5557D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557D9

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557D9	#FFFFFF	#000000	##FFFFFF
##5557D9	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#0062D6

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5557d9;
/* rgb */ color: rgb(85, 87, 217);
/* oklch */ color: oklch(53.1% 0.194 276.8);

Tailwind

colors: {
  custom: {
    50: '#9286e6',
    500: '#5557d9',
    950: '#000000',
  },
}

SCSS

$custom: #5557d9;
$custom-light: #9286e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5557d9",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 239.091,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53147,
    "c": 0.19434,
    "h": 276.8
  },
  "luminance": 0.13757
}

Semantic roles & 50–950 ramp

primary

#5557D9

secondary

#DFDEAB

accent

#E441E6

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557D9

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

Preview Lab → · Contrast checker → · Palette generator →