#557CBD#557CBD

#557CBD is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.7% C 0.110 H 260.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#557CBD
RGB	rgb(85, 124, 189)
HSL	hsl(218, 44%, 54%)
HSV	hsv(218, 55%, 74%)
CMYK	cmyk(55%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(51.86, 5.57, -38.26)
CIE-LCH	lch(51.86, 38.66, 278.29°)
OKLab	oklab(58.66% -0.0187 -0.108)
OKLCH	oklch(58.66% 0.11 260.2)
XYZ	xyz(20.1361, 20.0191, 50.9372)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CBD #BD9655

analogous

#55B0BD #557CBD #6255BD

triadic

#557CBD #BD557C #7CBD55

tetradic

#557CBD #BD55B0 #BD9655 #55BD62

square

#557CBD #BD55B0 #BD9655 #55BD62

split-complementary

#557CBD #BD6255 #B0BD55

monochromatic

#2A436D #3C5F99 #557CBD #819ECE #ADC0DF

Accessibility & contrast

On white

4.20

#557CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#557CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CBD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CBD	#FFFFFF	#000000	##000000
##557CBD	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6281C0

Deuteranopia (green-blind)

#5577BC

Tritanopia (blue-blind)

#158A94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557cbd;
/* rgb */ color: rgb(85, 124, 189);
/* oklch */ color: oklch(58.7% 0.110 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ca1d1',
    500: '#557cbd',
    950: '#000000',
  },
}

SCSS

$custom: #557cbd;
$custom-light: #8ca1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#557cbd",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 217.5,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58656,
    "c": 0.10962,
    "h": 260.2
  },
  "luminance": 0.20021
}

Semantic roles & 50–950 ramp

primary

#557CBD

secondary

#CDBCA1

accent

#A454D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #557CBD

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

Preview Lab → · Contrast checker → · Palette generator →