#557FE6#557FE6

#557FE6 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.162 H 265.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#557FE6
RGB	rgb(85, 127, 230)
HSL	hsl(223, 74%, 62%)
HSV	hsv(223, 63%, 90%)
CMYK	cmyk(63%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(54.89, 17.41, -56.66)
CIE-LCH	lch(54.89, 59.27, 287.08°)
OKLab	oklab(61.71% -0.0134 -0.1618)
OKLCH	oklch(61.71% 0.162 265.3)
XYZ	xyz(25.6137, 22.8209, 77.9026)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FE6 #E6BC55

analogous

#55C7E6 #557FE6 #7455E6

triadic

#557FE6 #E6557F #7FE655

tetradic

#557FE6 #E655C7 #E6BC55 #55E674

square

#557FE6 #E655C7 #E6BC55 #55E674

split-complementary

#557FE6 #E67455 #C7E655

monochromatic

#1942A8 #2157DD #557FE6 #8AA7EE #C0CFF6

Accessibility & contrast

On white

3.77

#557FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#557FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FE6

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FE6	#FFFFFF	#000000	##000000
##557FE6	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8AEA

Deuteranopia (green-blind)

#357DE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557fe6;
/* rgb */ color: rgb(85, 127, 230);
/* oklch */ color: oklch(61.7% 0.162 265.3);

Tailwind

colors: {
  custom: {
    50: '#92a3ee',
    500: '#557fe6',
    950: '#000000',
  },
}

SCSS

$custom: #557fe6;
$custom-light: #92a3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557fe6",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 222.621,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61712,
    "c": 0.1624,
    "h": 265.3
  },
  "luminance": 0.22823
}

Semantic roles & 50–950 ramp

primary

#557FE6

secondary

#E6D7B1

accent

#9D0FD6

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #557FE6

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

Preview Lab → · Contrast checker → · Palette generator →