#557CD5#557CD5

#557CD5 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.0% C 0.143 H 264.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#557CD5
RGB	rgb(85, 124, 213)
HSL	hsl(222, 60%, 58%)
HSV	hsv(222, 60%, 84%)
CMYK	cmyk(60.1%, 41.8%, 0%, 16.5%)
CIE-LAB	lab(53.11, 13.50, -49.94)
CIE-LCH	lch(53.11, 51.73, 285.13°)
OKLab	oklab(60.04% -0.0133 -0.1422)
OKLCH	oklch(60.04% 0.143 264.6)
XYZ	xyz(22.9601, 21.1487, 65.8100)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CD5 #D5AE55

analogous

#55BCD5 #557CD5 #6E55D5

triadic

#557CD5 #D5557C #7CD555

tetradic

#557CD5 #D555BC #D5AE55 #55D56E

square

#557CD5 #D555BC #D5AE55 #55D56E

split-complementary

#557CD5 #D56E55 #BCD555

monochromatic

#23438D #2F5ABE #557CD5 #86A2E1 #B7C8ED

Accessibility & contrast

On white

4.02

#557CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#557CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CD5

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CD5	#FFFFFF	#000000	##000000
##557CD5	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5485D8

Deuteranopia (green-blind)

#4279D3

Tritanopia (blue-blind)

#00909E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #557cd5;
/* rgb */ color: rgb(85, 124, 213);
/* oklch */ color: oklch(60.0% 0.143 264.6);

Tailwind

colors: {
  custom: {
    50: '#8fa1e2',
    500: '#557cd5',
    950: '#000000',
  },
}

SCSS

$custom: #557cd5;
$custom-light: #8fa1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#557cd5",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 213
  },
  "hsl": {
    "h": 221.719,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60035,
    "c": 0.14278,
    "h": 264.6
  },
  "luminance": 0.21151
}

Semantic roles & 50–950 ramp

primary

#557CD5

secondary

#DCCDA9

accent

#B344E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #557CD5

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

Preview Lab → · Contrast checker → · Palette generator →