#4E57BC#4E57BC

#4E57BC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.157 H 275.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4E57BC
RGB	rgb(78, 87, 188)
HSL	hsl(235, 45%, 52%)
HSV	hsv(235, 59%, 74%)
CMYK	cmyk(58.5%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(41.32, 26.83, -54.51)
CIE-LCH	lch(41.32, 60.76, 296.20°)
OKLab	oklab(50.46% 0.0148 -0.1562)
OKLCH	oklch(50.46% 0.157 275.4)
XYZ	xyz(15.6242, 12.0658, 49.0728)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57BC #BCB34E

analogous

#4E8EBC #4E57BC #7C4EBC

triadic

#4E57BC #BC4E57 #57BC4E

tetradic

#4E57BC #BC4E8E #BCB34E #4EBC7C

square

#4E57BC #BC4E8E #BCB34E #4EBC7C

split-complementary

#4E57BC #BC7C4E #8EBC4E

monochromatic

#272D68 #384095 #4E57BC #7A81CD #A7ABDE

Accessibility & contrast

On white

6.15

#4E57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4E57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57BC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57BC	#FFFFFF	#000000	##FFFFFF
##4E57BC	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1866C0

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e57bc;
/* rgb */ color: rgb(78, 87, 188);
/* oklch */ color: oklch(50.5% 0.157 275.4);

Tailwind

colors: {
  custom: {
    50: '#8986d1',
    500: '#4e57bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e57bc;
$custom-light: #8986d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57bc",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 235.091,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50462,
    "c": 0.15687,
    "h": 275.4
  },
  "luminance": 0.12067
}

Semantic roles & 50–950 ramp

primary

#4E57BC

secondary

#CBC79B

accent

#CA53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4E57BC

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

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