#4750CB#4750CB

#4750CB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.188 H 274.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4750CB
RGB	rgb(71, 80, 203)
HSL	hsl(236, 56%, 54%)
HSV	hsv(236, 65%, 80%)
CMYK	cmyk(65%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(40.23, 35.12, -65.03)
CIE-LCH	lch(40.23, 73.90, 298.37°)
OKLab	oklab(49.88% 0.0136 -0.1873)
OKLCH	oklch(49.88% 0.188 274.2)
XYZ	xyz(16.2431, 11.3873, 57.8303)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4750CB #CBC247

analogous

#4792CB #4750CB #8047CB

triadic

#4750CB #CB4750 #50CB47

tetradic

#4750CB #CB4792 #CBC247 #47CB80

square

#4750CB #CB4792 #CBC247 #47CB80

split-complementary

#4750CB #CB8047 #92CB47

monochromatic

#212776 #2F37A6 #4750CB #777DD8 #A6ABE6

Accessibility & contrast

On white

6.41

#4750CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4750CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4750CB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4750CB	#FFFFFF	#000000	##FFFFFF
##4750CB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4750cb;
/* rgb */ color: rgb(71, 80, 203);
/* oklch */ color: oklch(49.9% 0.188 274.2);

Tailwind

colors: {
  custom: {
    50: '#8981dc',
    500: '#4750cb',
    950: '#000000',
  },
}

SCSS

$custom: #4750cb;
$custom-light: #8981dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4750cb",
  "rgb": {
    "r": 71,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 235.909,
    "s": 55.932,
    "l": 53.725
  },
  "oklch": {
    "l": 0.49876,
    "c": 0.18783,
    "h": 274.2
  },
  "luminance": 0.11389
}

Semantic roles & 50–950 ramp

primary

#4750CB

secondary

#D3CF9B

accent

#D549DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4750CB

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

Preview Lab → · Contrast checker → · Palette generator →