#4E57CD#4E57CD

#4E57CD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.180 H 274.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4E57CD
RGB	rgb(78, 87, 205)
HSL	hsl(236, 56%, 55%)
HSV	hsv(236, 62%, 80%)
CMYK	cmyk(62%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(42.52, 32.54, -62.42)
CIE-LCH	lch(42.52, 70.40, 297.53°)
OKLab	oklab(51.74% 0.0153 -0.1794)
OKLCH	oklch(51.74% 0.18 274.9)
XYZ	xyz(17.5659, 12.8424, 59.2989)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57CD #CDC44E

analogous

#4E96CD #4E57CD #844ECD

triadic

#4E57CD #CD4E57 #57CD4E

tetradic

#4E57CD #CD4E96 #CDC44E #4ECD84

square

#4E57CD #CD4E96 #CDC44E #4ECD84

split-complementary

#4E57CD #CD844E #96CD4E

monochromatic

#232A7D #313AAD #4E57CD #7E84DA #ADB2E8

Accessibility & contrast

On white

5.88

#4E57CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4E57CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57CD

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57CD	#FFFFFF	#000000	##FFFFFF
##4E57CD	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4e57cd;
/* rgb */ color: rgb(78, 87, 205);
/* oklch */ color: oklch(51.7% 0.180 274.9);

Tailwind

colors: {
  custom: {
    50: '#8c86dd',
    500: '#4e57cd',
    950: '#000000',
  },
}

SCSS

$custom: #4e57cd;
$custom-light: #8c86dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57cd",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 235.748,
    "s": 55.947,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.18009,
    "h": 274.9
  },
  "luminance": 0.12844
}

Semantic roles & 50–950 ramp

primary

#4E57CD

secondary

#D6D2A1

accent

#D549DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E57CD

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

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