#557EEC#557EEC

#557EEC is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.9% C 0.172 H 266.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#557EEC
RGB	rgb(85, 126, 236)
HSL	hsl(224, 80%, 63%)
HSV	hsv(224, 64%, 93%)
CMYK	cmyk(64%, 46.6%, 0%, 7.5%)
CIE-LAB	lab(54.98, 20.06, -59.87)
CIE-LCH	lch(54.98, 63.14, 288.53°)
OKLab	oklab(61.89% -0.0115 -0.1713)
OKLCH	oklch(61.89% 0.172 266.1)
XYZ	xyz(26.3423, 22.9067, 82.3738)
Luminance	0.2291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EEC #ECC355

analogous

#55C9EC #557EEC #7855EC

triadic

#557EEC #EC557E #7EEC55

tetradic

#557EEC #EC55C9 #ECC355 #55EC78

square

#557EEC #EC55C9 #ECC355 #55EC78

split-complementary

#557EEC #EC7855 #C9EC55

monochromatic

#143FB3 #1E54E6 #557EEC #8CA8F2 #C3D2F8

Accessibility & contrast

On white

3.76

#557EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#557EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EEC

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EEC	#FFFFFF	#000000	##000000
##557EEC	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468BF0

Deuteranopia (green-blind)

#297DEA

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557eec;
/* rgb */ color: rgb(85, 126, 236);
/* oklch */ color: oklch(61.9% 0.172 266.1);

Tailwind

colors: {
  custom: {
    50: '#93a2f3',
    500: '#557eec',
    950: '#000000',
  },
}

SCSS

$custom: #557eec;
$custom-light: #93a2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557eec",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 236
  },
  "hsl": {
    "h": 223.709,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61894,
    "c": 0.17168,
    "h": 266.1
  },
  "luminance": 0.22909
}

Semantic roles & 50–950 ramp

primary

#557EEC

secondary

#EADBB3

accent

#A309DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #557EEC

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

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