#557ABE#557ABE

#557ABE is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.3% C 0.113 H 261.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#557ABE
RGB	rgb(85, 122, 190)
HSL	hsl(219, 45%, 54%)
HSV	hsv(219, 55%, 75%)
CMYK	cmyk(55.3%, 35.8%, 0%, 25.5%)
CIE-LAB	lab(51.34, 7.11, -39.65)
CIE-LCH	lch(51.34, 40.28, 280.16°)
OKLab	oklab(58.27% -0.0161 -0.1121)
OKLCH	oklch(58.27% 0.113 261.8)
XYZ	xyz(19.9969, 19.5665, 51.4282)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ABE #BE9955

analogous

#55AFBE #557ABE #6555BE

triadic

#557ABE #BE557A #7ABE55

tetradic

#557ABE #BE55AF #BE9955 #55BE65

square

#557ABE #BE55AF #BE9955 #55BE65

split-complementary

#557ABE #BE6555 #AFBE55

monochromatic

#2A426E #3B5D9B #557ABE #819DCF #AEBFE0

Accessibility & contrast

On white

4.27

#557ABE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#557ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ABE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ABE	#FFFFFF	#000000	##000000
##557ABE	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C1

Deuteranopia (green-blind)

#5276BD

Tritanopia (blue-blind)

#148993

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557abe;
/* rgb */ color: rgb(85, 122, 190);
/* oklch */ color: oklch(58.3% 0.113 261.8);

Tailwind

colors: {
  custom: {
    50: '#8ca0d2',
    500: '#557abe',
    950: '#000000',
  },
}

SCSS

$custom: #557abe;
$custom-light: #8ca0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#557abe",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 190
  },
  "hsl": {
    "h": 218.857,
    "s": 44.681,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58271,
    "c": 0.11322,
    "h": 261.8
  },
  "luminance": 0.19568
}

Semantic roles & 50–950 ramp

primary

#557ABE

secondary

#CEBEA1

accent

#A753D4

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #557ABE

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

Preview Lab → · Contrast checker → · Palette generator →