#557DE5#557DE5

#557DE5 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.163 H 265.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#557DE5
RGB	rgb(85, 125, 229)
HSL	hsl(223, 73%, 62%)
HSV	hsv(223, 63%, 90%)
CMYK	cmyk(62.9%, 45.4%, 0%, 10.2%)
CIE-LAB	lab(54.29, 18.29, -57.05)
CIE-LCH	lch(54.29, 59.91, 287.78°)
OKLab	oklab(61.24% -0.0116 -0.163)
OKLCH	oklch(61.24% 0.163 265.9)
XYZ	xyz(25.2179, 22.2534, 77.0799)
Luminance	0.2226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DE5 #E5BD55

analogous

#55C5E5 #557DE5 #7555E5

triadic

#557DE5 #E5557D #7DE555

tetradic

#557DE5 #E555C5 #E5BD55 #55E575

square

#557DE5 #E555C5 #E5BD55 #55E575

split-complementary

#557DE5 #E57555 #C5E555

monochromatic

#1941A6 #2255DB #557DE5 #8AA6ED #BFCEF5

Accessibility & contrast

On white

3.85

#557DE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#557DE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DE5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DE5	#FFFFFF	#000000	##000000
##557DE5	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A89E9

Deuteranopia (green-blind)

#317CE3

Tritanopia (blue-blind)

#0095A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557de5;
/* rgb */ color: rgb(85, 125, 229);
/* oklch */ color: oklch(61.2% 0.163 265.9);

Tailwind

colors: {
  custom: {
    50: '#92a2ee',
    500: '#557de5',
    950: '#000000',
  },
}

SCSS

$custom: #557de5;
$custom-light: #92a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557de5",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 229
  },
  "hsl": {
    "h": 223.333,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61239,
    "c": 0.16343,
    "h": 265.9
  },
  "luminance": 0.22256
}

Semantic roles & 50–950 ramp

primary

#557DE5

secondary

#E6D7B0

accent

#9F10D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557DE5

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

Preview Lab → · Contrast checker → · Palette generator →