#4757BC#4757BC

#4757BC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.159 H 272.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4757BC
RGB	rgb(71, 87, 188)
HSL	hsl(232, 47%, 51%)
HSV	hsv(232, 62%, 74%)
CMYK	cmyk(62.2%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(40.87, 25.54, -55.26)
CIE-LCH	lch(40.87, 60.87, 294.81°)
OKLab	oklab(50.01% 0.0071 -0.1585)
OKLCH	oklch(50.01% 0.159 272.6)
XYZ	xyz(15.0808, 11.7856, 49.0473)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757BC #BCAC47

analogous

#4791BC #4757BC #7147BC

triadic

#4757BC #BC4757 #57BC47

tetradic

#4757BC #BC4791 #BCAC47 #47BC71

square

#4757BC #BC4791 #BCAC47 #47BC71

split-complementary

#4757BC #BC7147 #91BC47

monochromatic

#242D64 #354191 #4757BC #7480CC #A1A9DD

Accessibility & contrast

On white

6.25

#4757BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4757BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757BC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757BC	#FFFFFF	#000000	##FFFFFF
##4757BC	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1466C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4757bc;
/* rgb */ color: rgb(71, 87, 188);
/* oklch */ color: oklch(50.0% 0.159 272.6);

Tailwind

colors: {
  custom: {
    50: '#8686d1',
    500: '#4757bc',
    950: '#000000',
  },
}

SCSS

$custom: #4757bc;
$custom-light: #8686d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4757bc",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 231.795,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50009,
    "c": 0.1587,
    "h": 272.6
  },
  "luminance": 0.11787
}

Semantic roles & 50–950 ramp

primary

#4757BC

secondary

#C9C295

accent

#C452D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4757BC

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

Preview Lab → · Contrast checker → · Palette generator →