#557CEE#557CEE

#557CEE is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.177 H 266.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#557CEE
RGB	rgb(85, 124, 238)
HSL	hsl(225, 82%, 63%)
HSV	hsv(225, 64%, 93%)
CMYK	cmyk(64.3%, 47.9%, 0%, 6.7%)
CIE-LAB	lab(54.57, 21.97, -61.63)
CIE-LCH	lch(54.57, 65.43, 289.62°)
OKLab	oklab(61.62% -0.0094 -0.1765)
OKLCH	oklch(61.62% 0.177 266.9)
XYZ	xyz(26.3813, 22.5172, 83.8283)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CEE #EEC755

analogous

#55C8EE #557CEE #7A55EE

triadic

#557CEE #EE557C #7CEE55

tetradic

#557CEE #EE55C8 #EEC755 #55EE7A

square

#557CEE #EE55C8 #EEC755 #55EE7A

split-complementary

#557CEE #EE7A55 #C8EE55

monochromatic

#123CB6 #1D51E8 #557CEE #8DA7F4 #C4D2F9

Accessibility & contrast

On white

3.82

#557CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#557CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CEE

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CEE	#FFFFFF	#000000	##000000
##557CEE	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408AF2

Deuteranopia (green-blind)

#1C7CEC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557cee;
/* rgb */ color: rgb(85, 124, 238);
/* oklch */ color: oklch(61.6% 0.177 266.9);

Tailwind

colors: {
  custom: {
    50: '#93a1f4',
    500: '#557cee',
    950: '#000000',
  },
}

SCSS

$custom: #557cee;
$custom-light: #93a1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#557cee",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 238
  },
  "hsl": {
    "h": 224.706,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61624,
    "c": 0.17675,
    "h": 266.9
  },
  "luminance": 0.2252
}

Semantic roles & 50–950 ramp

primary

#557CEE

secondary

#EBDDB4

accent

#A707DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557CEE

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

Preview Lab → · Contrast checker → · Palette generator →