#557FC2#557FC2

#557FC2 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.6% C 0.113 H 259.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#557FC2
RGB	rgb(85, 127, 194)
HSL	hsl(217, 47%, 55%)
HSV	hsv(217, 56%, 76%)
CMYK	cmyk(56.2%, 34.5%, 0%, 23.9%)
CIE-LAB	lab(52.95, 5.39, -39.40)
CIE-LCH	lch(52.95, 39.77, 277.80°)
OKLab	oklab(59.59% -0.0208 -0.1113)
OKLCH	oklch(59.59% 0.113 259.4)
XYZ	xyz(21.0699, 21.0034, 53.9722)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FC2 #C29855

analogous

#55B5C2 #557FC2 #6255C2

triadic

#557FC2 #C2557F #7FC255

tetradic

#557FC2 #C255B5 #C29855 #55C262

square

#557FC2 #C255B5 #C29855 #55C262

split-complementary

#557FC2 #C26255 #B5C255

monochromatic

#294673 #3A61A0 #557FC2 #82A1D2 #AFC3E2

Accessibility & contrast

On white

4.04

#557FC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#557FC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FC2

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FC2	#FFFFFF	#000000	##000000
##557FC2	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6484C5

Deuteranopia (green-blind)

#567AC1

Tritanopia (blue-blind)

#048E97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #557fc2;
/* rgb */ color: rgb(85, 127, 194);
/* oklch */ color: oklch(59.6% 0.113 259.4);

Tailwind

colors: {
  custom: {
    50: '#8da3d5',
    500: '#557fc2',
    950: '#000000',
  },
}

SCSS

$custom: #557fc2;
$custom-light: #8da3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#557fc2",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 194
  },
  "hsl": {
    "h": 216.881,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59588,
    "c": 0.11323,
    "h": 259.4
  },
  "luminance": 0.21005
}

Semantic roles & 50–950 ramp

primary

#557FC2

secondary

#D0BFA2

accent

#A351D7

background

#F9FAFD

surface

#F1F3FA

border

#CBCDD3

text

#0D0F14

muted

#7E7F83

Preview Lab

Preview with #557FC2

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

Preview Lab → · Contrast checker → · Palette generator →