#557AC2#557AC2

#557AC2 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.5% C 0.119 H 262.7°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#557AC2
RGB	rgb(85, 122, 194)
HSL	hsl(220, 47%, 55%)
HSV	hsv(220, 56%, 76%)
CMYK	cmyk(56.2%, 37.1%, 0%, 23.9%)
CIE-LAB	lab(51.55, 8.41, -41.62)
CIE-LCH	lch(51.55, 42.46, 281.43°)
OKLab	oklab(58.5% -0.0152 -0.1178)
OKLCH	oklch(58.5% 0.119 262.7)
XYZ	xyz(20.4401, 19.7438, 53.7623)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AC2 #C29D55

analogous

#55B1C2 #557AC2 #6755C2

triadic

#557AC2 #C2557A #7AC255

tetradic

#557AC2 #C255B1 #C29D55 #55C267

square

#557AC2 #C255B1 #C29D55 #55C267

split-complementary

#557AC2 #C26755 #B1C255

monochromatic

#294273 #3A5CA0 #557AC2 #829DD2 #AFC0E2

Accessibility & contrast

On white

4.24

#557AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#557AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AC2

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AC2	#FFFFFF	#000000	##000000
##557AC2	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C80C5

Deuteranopia (green-blind)

#4F76C0

Tritanopia (blue-blind)

#098A95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557ac2;
/* rgb */ color: rgb(85, 122, 194);
/* oklch */ color: oklch(58.5% 0.119 262.7);

Tailwind

colors: {
  custom: {
    50: '#8da0d5',
    500: '#557ac2',
    950: '#000000',
  },
}

SCSS

$custom: #557ac2;
$custom-light: #8da0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#557ac2",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 194
  },
  "hsl": {
    "h": 219.633,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58495,
    "c": 0.11879,
    "h": 262.7
  },
  "luminance": 0.19745
}

Semantic roles & 50–950 ramp

primary

#557AC2

secondary

#D0C1A2

accent

#A951D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557AC2

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

Preview Lab → · Contrast checker → · Palette generator →