#557ED5#557ED5

#557ED5 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.140 H 263.7°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#557ED5
RGB	rgb(85, 126, 213)
HSL	hsl(221, 60%, 58%)
HSV	hsv(221, 60%, 84%)
CMYK	cmyk(60.1%, 40.8%, 0%, 16.5%)
CIE-LAB	lab(53.66, 12.28, -49.07)
CIE-LCH	lch(53.66, 50.58, 284.05°)
OKLab	oklab(60.46% -0.0154 -0.1396)
OKLCH	oklch(60.46% 0.14 263.7)
XYZ	xyz(23.2133, 21.6551, 65.8944)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ED5 #D5AC55

analogous

#55BED5 #557ED5 #6C55D5

triadic

#557ED5 #D5557E #7ED555

tetradic

#557ED5 #D555BE #D5AC55 #55D56C

square

#557ED5 #D555BE #D5AC55 #55D56C

split-complementary

#557ED5 #D56C55 #BED555

monochromatic

#23458D #2F5DBE #557ED5 #86A3E1 #B7C8ED

Accessibility & contrast

On white

3.94

#557ED5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#557ED5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ED5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ED5	#FFFFFF	#000000	##000000
##557ED5	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5887D8

Deuteranopia (green-blind)

#467BD3

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #557ed5;
/* rgb */ color: rgb(85, 126, 213);
/* oklch */ color: oklch(60.5% 0.140 263.7);

Tailwind

colors: {
  custom: {
    50: '#8fa2e2',
    500: '#557ed5',
    950: '#000000',
  },
}

SCSS

$custom: #557ed5;
$custom-light: #8fa2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#557ed5",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 213
  },
  "hsl": {
    "h": 220.781,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60457,
    "c": 0.14043,
    "h": 263.7
  },
  "luminance": 0.21657
}

Semantic roles & 50–950 ramp

primary

#557ED5

secondary

#DCCCA9

accent

#B144E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #557ED5

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

Preview Lab → · Contrast checker → · Palette generator →