#557CCD#557CCD

#557CCD is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.6% C 0.132 H 263.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#557CCD
RGB	rgb(85, 124, 205)
HSL	hsl(221, 55%, 57%)
HSV	hsv(221, 59%, 80%)
CMYK	cmyk(58.5%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(52.68, 10.83, -46.10)
CIE-LCH	lch(52.68, 47.35, 283.22°)
OKLab	oklab(59.56% -0.0149 -0.1309)
OKLCH	oklch(59.56% 0.132 263.5)
XYZ	xyz(21.9696, 20.7525, 60.5937)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CCD #CDA655

analogous

#55B8CD #557CCD #6A55CD

triadic

#557CCD #CD557C #7CCD55

tetradic

#557CCD #CD55B8 #CDA655 #55CD6A

square

#557CCD #CD55B8 #CDA655 #55CD6A

split-complementary

#557CCD #CD6A55 #B8CD55

monochromatic

#264482 #345DB1 #557CCD #84A0DB #B4C5E9

Accessibility & contrast

On white

4.08

#557CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#557CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CCD

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CCD	#FFFFFF	#000000	##000000
##557CCD	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D0

Deuteranopia (green-blind)

#4A79CB

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #557ccd;
/* rgb */ color: rgb(85, 124, 205);
/* oklch */ color: oklch(59.6% 0.132 263.5);

Tailwind

colors: {
  custom: {
    50: '#8ea1dc',
    500: '#557ccd',
    950: '#000000',
  },
}

SCSS

$custom: #557ccd;
$custom-light: #8ea1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#557ccd",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 220.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59558,
    "c": 0.13175,
    "h": 263.5
  },
  "luminance": 0.20754
}

Semantic roles & 50–950 ramp

primary

#557CCD

secondary

#D7C7A6

accent

#AE4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #557CCD

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

Preview Lab → · Contrast checker → · Palette generator →