#557EEF#557EEF

#557EEF is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.1% C 0.176 H 266.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#557EEF
RGB	rgb(85, 126, 239)
HSL	hsl(224, 83%, 64%)
HSV	hsv(224, 64%, 94%)
CMYK	cmyk(64.4%, 47.3%, 0%, 6.3%)
CIE-LAB	lab(55.16, 21.08, -61.24)
CIE-LCH	lch(55.16, 64.77, 289.00°)
OKLab	oklab(62.09% -0.0111 -0.1753)
OKLCH	oklch(62.09% 0.176 266.4)
XYZ	xyz(26.7818, 23.0825, 84.6886)
Luminance	0.2308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EEF #EFC655

analogous

#55CBEF #557EEF #7955EF

triadic

#557EEF #EF557E #7EEF55

tetradic

#557EEF #EF55CB #EFC655 #55EF79

square

#557EEF #EF55CB #EFC655 #55EF79

split-complementary

#557EEF #EF7955 #CBEF55

monochromatic

#113EB8 #1D54EA #557EEF #8DA8F4 #C5D3FA

Accessibility & contrast

On white

3.74

#557EEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#557EEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EEF

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EEF	#FFFFFF	#000000	##000000
##557EEF	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438BF3

Deuteranopia (green-blind)

#227DED

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557eef;
/* rgb */ color: rgb(85, 126, 239);
/* oklch */ color: oklch(62.1% 0.176 266.4);

Tailwind

colors: {
  custom: {
    50: '#93a2f5',
    500: '#557eef',
    950: '#000000',
  },
}

SCSS

$custom: #557eef;
$custom-light: #93a2f5;
$custom-dark: #000000;

JSON

{
  "hex": "#557eef",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 239
  },
  "hsl": {
    "h": 224.026,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6209,
    "c": 0.17569,
    "h": 266.4
  },
  "luminance": 0.23085
}

Semantic roles & 50–950 ramp

primary

#557EEF

secondary

#EBDDB5

accent

#A506DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #557EEF

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

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