#4751BF#4751BF

#4751BF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.1% C 0.171 H 274.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4751BF
RGB	rgb(71, 81, 191)
HSL	hsl(235, 48%, 51%)
HSV	hsv(235, 63%, 75%)
CMYK	cmyk(62.8%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(39.55, 30.39, -59.14)
CIE-LCH	lch(39.55, 66.50, 297.20°)
OKLab	oklab(49.09% 0.0129 -0.17)
OKLCH	oklch(49.09% 0.171 274.3)
XYZ	xyz(14.9418, 10.9848, 50.6130)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751BF #BFB547

analogous

#478DBF #4751BF #7947BF

triadic

#4751BF #BF4751 #51BF47

tetradic

#4751BF #BF478D #BFB547 #47BF79

square

#4751BF #BF478D #BFB547 #47BF79

split-complementary

#4751BF #BF7947 #8DBF47

monochromatic

#242A68 #343C95 #4751BF #747CCF #A2A7DF

Accessibility & contrast

On white

6.57

#4751BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4751BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751BF

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751BF	#FFFFFF	#000000	##FFFFFF
##4751BF	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4751bf;
/* rgb */ color: rgb(71, 81, 191);
/* oklch */ color: oklch(49.1% 0.171 274.3);

Tailwind

colors: {
  custom: {
    50: '#8781d3',
    500: '#4751bf',
    950: '#000000',
  },
}

SCSS

$custom: #4751bf;
$custom-light: #8781d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4751bf",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 235,
    "s": 48.387,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49092,
    "c": 0.17053,
    "h": 274.3
  },
  "luminance": 0.10986
}

Semantic roles & 50–950 ramp

primary

#4751BF

secondary

#CBC796

accent

#CD50D8

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4751BF

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

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