#557FD5#557FD5

#557FD5 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.139 H 263.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#557FD5
RGB	rgb(85, 127, 213)
HSL	hsl(220, 60%, 58%)
HSV	hsv(220, 60%, 84%)
CMYK	cmyk(60.1%, 40.4%, 0%, 16.5%)
CIE-LAB	lab(53.93, 11.68, -48.63)
CIE-LCH	lch(53.93, 50.01, 283.50°)
OKLab	oklab(60.67% -0.0165 -0.1383)
OKLCH	oklch(60.67% 0.139 263.2)
XYZ	xyz(23.3418, 21.9121, 65.9373)
Luminance	0.2191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FD5 #D5AB55

analogous

#55BFD5 #557FD5 #6B55D5

triadic

#557FD5 #D5557F #7FD555

tetradic

#557FD5 #D555BF #D5AB55 #55D56B

square

#557FD5 #D555BF #D5AB55 #55D56B

split-complementary

#557FD5 #D56B55 #BFD555

monochromatic

#23468D #2F5EBE #557FD5 #86A4E1 #B7C9ED

Accessibility & contrast

On white

3.90

#557FD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#557FD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FD5

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FD5	#FFFFFF	#000000	##000000
##557FD5	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5987D8

Deuteranopia (green-blind)

#487BD3

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557fd5;
/* rgb */ color: rgb(85, 127, 213);
/* oklch */ color: oklch(60.7% 0.139 263.2);

Tailwind

colors: {
  custom: {
    50: '#8fa3e2',
    500: '#557fd5',
    950: '#000000',
  },
}

SCSS

$custom: #557fd5;
$custom-light: #8fa3e2;
$custom-dark: #000000;

JSON

{
  "hex": "#557fd5",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 213
  },
  "hsl": {
    "h": 220.313,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60669,
    "c": 0.13927,
    "h": 263.2
  },
  "luminance": 0.21914
}

Semantic roles & 50–950 ramp

primary

#557FD5

secondary

#DCCCA9

accent

#AF44E4

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #557FD5

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

Preview Lab → · Contrast checker → · Palette generator →