#4D57CE#4D57CE

#4D57CE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.182 H 274.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4D57CE
RGB	rgb(77, 87, 206)
HSL	hsl(235, 57%, 55%)
HSV	hsv(235, 63%, 81%)
CMYK	cmyk(62.6%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.53, 32.72, -62.99)
CIE-LCH	lch(42.53, 70.97, 297.45°)
OKLab	oklab(51.76% 0.0142 -0.1811)
OKLCH	oklch(51.76% 0.182 274.5)
XYZ	xyz(17.6057, 12.8489, 59.9329)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57CE #CEC44D

analogous

#4D97CE #4D57CE #834DCE

triadic

#4D57CE #CE4D57 #57CE4D

tetradic

#4D57CE #CE4D97 #CEC44D #4DCE83

square

#4D57CE #CE4D97 #CEC44D #4DCE83

split-complementary

#4D57CE #CE834D #97CE4D

monochromatic

#232A7E #303AAE #4D57CE #7D84DB #ADB2E8

Accessibility & contrast

On white

5.88

#4D57CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4D57CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57CE

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57CE	#FFFFFF	#000000	##FFFFFF
##4D57CE	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)

#006AD2

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4d57ce;
/* rgb */ color: rgb(77, 87, 206);
/* oklch */ color: oklch(51.8% 0.182 274.5);

Tailwind

colors: {
  custom: {
    50: '#8c86de',
    500: '#4d57ce',
    950: '#000000',
  },
}

SCSS

$custom: #4d57ce;
$custom-light: #8c86de;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57ce",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 235.349,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51757,
    "c": 0.18168,
    "h": 274.5
  },
  "luminance": 0.1285
}

Semantic roles & 50–950 ramp

primary

#4D57CE

secondary

#D6D2A1

accent

#D448E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D57CE

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

Preview Lab → · Contrast checker → · Palette generator →