#4757CD#4757CD

#4757CD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.182 H 272.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4757CD
RGB	rgb(71, 87, 205)
HSL	hsl(233, 57%, 54%)
HSV	hsv(233, 65%, 80%)
CMYK	cmyk(65.4%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(42.10, 31.42, -63.14)
CIE-LCH	lch(42.10, 70.53, 296.46°)
OKLab	oklab(51.31% 0.0077 -0.1817)
OKLCH	oklch(51.31% 0.182 272.4)
XYZ	xyz(17.0225, 12.5622, 59.2735)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757CD #CDBD47

analogous

#479ACD #4757CD #7A47CD

triadic

#4757CD #CD4757 #57CD47

tetradic

#4757CD #CD479A #CDBD47 #47CD7A

square

#4757CD #CD479A #CDBD47 #47CD7A

split-complementary

#4757CD #CD7A47 #9ACD47

monochromatic

#212B79 #2E3DA9 #4757CD #7783DA #A7AFE7

Accessibility & contrast

On white

5.98

#4757CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4757CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757CD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757CD	#FFFFFF	#000000	##FFFFFF
##4757CD	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#005DCB

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4757cd;
/* rgb */ color: rgb(71, 87, 205);
/* oklch */ color: oklch(51.3% 0.182 272.4);

Tailwind

colors: {
  custom: {
    50: '#8986dd',
    500: '#4757cd',
    950: '#000000',
  },
}

SCSS

$custom: #4757cd;
$custom-light: #8986dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4757cd",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 232.836,
    "s": 57.265,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51311,
    "c": 0.18188,
    "h": 272.4
  },
  "luminance": 0.12564
}

Semantic roles & 50–950 ramp

primary

#4757CD

secondary

#D4CE9B

accent

#CE47E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4757CD

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

Preview Lab → · Contrast checker → · Palette generator →