#4750BB#4750BB

#4750BB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.166 H 274.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4750BB
RGB	rgb(71, 80, 187)
HSL	hsl(235, 46%, 51%)
HSV	hsv(235, 62%, 73%)
CMYK	cmyk(62%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(39.01, 29.66, -57.69)
CIE-LCH	lch(39.01, 64.87, 297.20°)
OKLab	oklab(48.59% 0.0137 -0.1658)
OKLCH	oklch(48.59% 0.166 274.7)
XYZ	xyz(14.4339, 10.6636, 48.3017)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4750BB #BBB247

analogous

#478ABB #4750BB #7847BB

triadic

#4750BB #BB4750 #50BB47

tetradic

#4750BB #BB478A #BBB247 #47BB78

square

#4750BB #BB478A #BBB247 #47BB78

split-complementary

#4750BB #BB7847 #8ABB47

monochromatic

#252963 #353C90 #4750BB #747ACC #A0A5DC

Accessibility & contrast

On white

6.70

#4750BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4750BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4750BB

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4750BB	#FFFFFF	#000000	##FFFFFF
##4750BB	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4750bb;
/* rgb */ color: rgb(71, 80, 187);
/* oklch */ color: oklch(48.6% 0.166 274.7);

Tailwind

colors: {
  custom: {
    50: '#8681d0',
    500: '#4750bb',
    950: '#000000',
  },
}

SCSS

$custom: #4750bb;
$custom-light: #8681d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4750bb",
  "rgb": {
    "r": 71,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 235.345,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48592,
    "c": 0.16635,
    "h": 274.7
  },
  "luminance": 0.10665
}

Semantic roles & 50–950 ramp

primary

#4750BB

secondary

#C9C595

accent

#CB52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4750BB

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

Preview Lab → · Contrast checker → · Palette generator →