#557BEC#557BEC

#557BEC is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.3% C 0.175 H 267.1°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#557BEC
RGB	rgb(85, 123, 236)
HSL	hsl(225, 80%, 63%)
HSV	hsv(225, 64%, 93%)
CMYK	cmyk(64%, 47.9%, 0%, 7.5%)
CIE-LAB	lab(54.19, 21.90, -61.13)
CIE-LCH	lch(54.19, 64.94, 289.71°)
OKLab	oklab(61.29% -0.0087 -0.1751)
OKLCH	oklch(61.29% 0.175 267.1)
XYZ	xyz(25.9644, 22.1510, 82.2479)
Luminance	0.2215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BEC #ECC655

analogous

#55C6EC #557BEC #7B55EC

triadic

#557BEC #EC557B #7BEC55

tetradic

#557BEC #EC55C6 #ECC655 #55EC7B

square

#557BEC #EC55C6 #ECC655 #55EC7B

split-complementary

#557BEC #EC7B55 #C6EC55

monochromatic

#143CB3 #1E50E6 #557BEC #8CA6F2 #C3D0F8

Accessibility & contrast

On white

3.87

#557BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#557BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BEC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BEC	#FFFFFF	#000000	##000000
##557BEC	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F89F0

Deuteranopia (green-blind)

#1D7BEA

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557bec;
/* rgb */ color: rgb(85, 123, 236);
/* oklch */ color: oklch(61.3% 0.175 267.1);

Tailwind

colors: {
  custom: {
    50: '#93a0f3',
    500: '#557bec',
    950: '#000000',
  },
}

SCSS

$custom: #557bec;
$custom-light: #93a0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557bec",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 236
  },
  "hsl": {
    "h": 224.901,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61292,
    "c": 0.17528,
    "h": 267.1
  },
  "luminance": 0.22153
}

Semantic roles & 50–950 ramp

primary

#557BEC

secondary

#EADCB3

accent

#A709DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557BEC

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

Preview Lab → · Contrast checker → · Palette generator →