#4D57CD#4D57CD

#4D57CD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.180 H 274.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4D57CD
RGB	rgb(77, 87, 205)
HSL	hsl(235, 56%, 55%)
HSV	hsv(235, 62%, 80%)
CMYK	cmyk(62.4%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(42.46, 32.38, -62.53)
CIE-LCH	lch(42.46, 70.41, 297.38°)
OKLab	oklab(51.68% 0.0142 -0.1798)
OKLCH	oklch(51.68% 0.18 274.5)
XYZ	xyz(17.4846, 12.8005, 59.2951)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57CD #CDC34D

analogous

#4D97CD #4D57CD #834DCD

triadic

#4D57CD #CD4D57 #57CD4D

tetradic

#4D57CD #CD4D97 #CDC34D #4DCD83

square

#4D57CD #CD4D97 #CDC34D #4DCD83

split-complementary

#4D57CD #CD834D #97CD4D

monochromatic

#232A7D #303AAC #4D57CD #7D84DA #ADB1E8

Accessibility & contrast

On white

5.90

#4D57CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4D57CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57CD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57CD	#FFFFFF	#000000	##FFFFFF
##4D57CD	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	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: #4d57cd;
/* rgb */ color: rgb(77, 87, 205);
/* oklch */ color: oklch(51.7% 0.180 274.5);

Tailwind

colors: {
  custom: {
    50: '#8c86dd',
    500: '#4d57cd',
    950: '#000000',
  },
}

SCSS

$custom: #4d57cd;
$custom-light: #8c86dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57cd",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 235.313,
    "s": 56.14,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51679,
    "c": 0.18034,
    "h": 274.5
  },
  "luminance": 0.12802
}

Semantic roles & 50–950 ramp

primary

#4D57CD

secondary

#D6D1A0

accent

#D448DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D57CD

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

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