#557DC0#557DC0

#557DC0 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.113 H 260.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#557DC0
RGB	rgb(85, 125, 192)
HSL	hsl(218, 46%, 54%)
HSV	hsv(218, 56%, 75%)
CMYK	cmyk(55.7%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(52.29, 5.95, -39.30)
CIE-LCH	lch(52.29, 39.75, 278.60°)
OKLab	oklab(59.04% -0.0191 -0.111)
OKLCH	oklch(59.04% 0.113 260.2)
XYZ	xyz(20.5911, 20.4027, 52.7120)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DC0 #C09855

analogous

#55B3C0 #557DC0 #6355C0

triadic

#557DC0 #C0557D #7DC055

tetradic

#557DC0 #C055B3 #C09855 #55C063

square

#557DC0 #C055B3 #C09855 #55C063

split-complementary

#557DC0 #C06355 #B3C055

monochromatic

#2A4471 #3A5F9D #557DC0 #829FD1 #AEC1E1

Accessibility & contrast

On white

4.13

#557DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#557DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DC0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DC0	#FFFFFF	#000000	##000000
##557DC0	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C3

Deuteranopia (green-blind)

#5478BF

Tritanopia (blue-blind)

#0D8C95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557dc0;
/* rgb */ color: rgb(85, 125, 192);
/* oklch */ color: oklch(59.0% 0.113 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ca2d3',
    500: '#557dc0',
    950: '#000000',
  },
}

SCSS

$custom: #557dc0;
$custom-light: #8ca2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#557dc0",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 217.57,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59039,
    "c": 0.11266,
    "h": 260.2
  },
  "luminance": 0.20404
}

Semantic roles & 50–950 ramp

primary

#557DC0

secondary

#CFBEA2

accent

#A452D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #557DC0

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

Preview Lab → · Contrast checker → · Palette generator →