#557ED7#557ED7

#557ED7 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.6% C 0.143 H 264.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#557ED7
RGB	rgb(85, 126, 215)
HSL	hsl(221, 62%, 59%)
HSV	hsv(221, 60%, 84%)
CMYK	cmyk(60.5%, 41.4%, 0%, 15.7%)
CIE-LAB	lab(53.77, 12.95, -50.02)
CIE-LCH	lch(53.77, 51.67, 284.52°)
OKLab	oklab(60.58% -0.015 -0.1424)
OKLCH	oklch(60.58% 0.143 264)
XYZ	xyz(23.4687, 21.7573, 67.2396)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ED7 #D7AE55

analogous

#55BFD7 #557ED7 #6D55D7

triadic

#557ED7 #D7557E #7ED755

tetradic

#557ED7 #D755BF #D7AE55 #55D76D

square

#557ED7 #D755BF #D7AE55 #55D76D

split-complementary

#557ED7 #D76D55 #BFD755

monochromatic

#224590 #2D5CC1 #557ED7 #87A4E3 #B8C9EE

Accessibility & contrast

On white

3.92

#557ED7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#557ED7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ED7

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ED7	#FFFFFF	#000000	##000000
##557ED7	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5787DA

Deuteranopia (green-blind)

#447BD5

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #557ed7;
/* rgb */ color: rgb(85, 126, 215);
/* oklch */ color: oklch(60.6% 0.143 264.0);

Tailwind

colors: {
  custom: {
    50: '#90a2e4',
    500: '#557ed7',
    950: '#000000',
  },
}

SCSS

$custom: #557ed7;
$custom-light: #90a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#557ed7",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 215
  },
  "hsl": {
    "h": 221.077,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60577,
    "c": 0.14317,
    "h": 264
  },
  "luminance": 0.21759
}

Semantic roles & 50–950 ramp

primary

#557ED7

secondary

#DECDAA

accent

#B243E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0F15

muted

#7E7E84

Preview Lab

Preview with #557ED7

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

Preview Lab → · Contrast checker → · Palette generator →