#4751CF#4751CF

#4751CF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.192 H 273.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4751CF
RGB	rgb(71, 81, 207)
HSL	hsl(236, 59%, 55%)
HSV	hsv(236, 66%, 81%)
CMYK	cmyk(65.7%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(40.78, 35.86, -66.43)
CIE-LCH	lch(40.78, 75.49, 298.36°)
OKLab	oklab(50.38% 0.0127 -0.1915)
OKLCH	oklch(50.38% 0.192 273.8)
XYZ	xyz(16.7997, 11.7280, 60.3978)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751CF #CFC547

analogous

#4795CF #4751CF #8147CF

triadic

#4751CF #CF4751 #51CF47

tetradic

#4751CF #CF4795 #CFC547 #47CF81

square

#4751CF #CF4795 #CFC547 #47CF81

split-complementary

#4751CF #CF8147 #95CF47

monochromatic

#20277B #2D36AC #4751CF #787FDC #A8ADE8

Accessibility & contrast

On white

6.28

#4751CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4751CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751CF

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751CF	#FFFFFF	#000000	##FFFFFF
##4751CF	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005ACD

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4751cf;
/* rgb */ color: rgb(71, 81, 207);
/* oklch */ color: oklch(50.4% 0.192 273.8);

Tailwind

colors: {
  custom: {
    50: '#8a82df',
    500: '#4751cf',
    950: '#000000',
  },
}

SCSS

$custom: #4751cf;
$custom-light: #8a82df;
$custom-dark: #000000;

JSON

{
  "hex": "#4751cf",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 235.588,
    "s": 58.621,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50384,
    "c": 0.19188,
    "h": 273.8
  },
  "luminance": 0.11729
}

Semantic roles & 50–950 ramp

primary

#4751CF

secondary

#D6D19C

accent

#D646E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4751CF

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

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