#4757BB#4757BB

#4757BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.157 H 272.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4757BB
RGB	rgb(71, 87, 187)
HSL	hsl(232, 46%, 51%)
HSV	hsv(232, 62%, 73%)
CMYK	cmyk(62%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(40.80, 25.20, -54.78)
CIE-LCH	lch(40.80, 60.30, 294.70°)
OKLab	oklab(49.94% 0.007 -0.1572)
OKLCH	oklch(49.94% 0.157 272.6)
XYZ	xyz(14.9734, 11.7426, 48.4816)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757BB #BBAB47

analogous

#4791BB #4757BB #7147BB

triadic

#4757BB #BB4757 #57BB47

tetradic

#4757BB #BB4791 #BBAB47 #47BB71

square

#4757BB #BB4791 #BBAB47 #47BB71

split-complementary

#4757BB #BB7147 #91BB47

monochromatic

#252D63 #354290 #4757BB #7480CC #A0A9DC

Accessibility & contrast

On white

6.27

#4757BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4757BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757BB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757BB	#FFFFFF	#000000	##FFFFFF
##4757BB	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4757bb;
/* rgb */ color: rgb(71, 87, 187);
/* oklch */ color: oklch(49.9% 0.157 272.6);

Tailwind

colors: {
  custom: {
    50: '#8586d0',
    500: '#4757bb',
    950: '#000000',
  },
}

SCSS

$custom: #4757bb;
$custom-light: #8586d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4757bb",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 231.724,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49935,
    "c": 0.15731,
    "h": 272.6
  },
  "luminance": 0.11744
}

Semantic roles & 50–950 ramp

primary

#4757BB

secondary

#C9C295

accent

#C452D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4757BB

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

Preview Lab → · Contrast checker → · Palette generator →