#4759BB#4759BB

#4759BB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.155 H 271.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4759BB
RGB	rgb(71, 89, 187)
HSL	hsl(231, 46%, 51%)
HSV	hsv(231, 62%, 73%)
CMYK	cmyk(62%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(41.33, 23.92, -53.94)
CIE-LCH	lch(41.33, 59.00, 293.92°)
OKLab	oklab(50.33% 0.0051 -0.1546)
OKLCH	oklch(50.33% 0.155 271.9)
XYZ	xyz(15.1376, 12.0709, 48.5363)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4759BB #BBA947

analogous

#4793BB #4759BB #6F47BB

triadic

#4759BB #BB4759 #59BB47

tetradic

#4759BB #BB4793 #BBA947 #47BB6F

square

#4759BB #BB4793 #BBA947 #47BB6F

split-complementary

#4759BB #BB6F47 #93BB47

monochromatic

#252E63 #354390 #4759BB #7481CC #A0AADC

Accessibility & contrast

On white

6.15

#4759BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4759BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4759BB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4759BB	#FFFFFF	#000000	##FFFFFF
##4759BB	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BE

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4759bb;
/* rgb */ color: rgb(71, 89, 187);
/* oklch */ color: oklch(50.3% 0.155 271.9);

Tailwind

colors: {
  custom: {
    50: '#8587d0',
    500: '#4759bb',
    950: '#000000',
  },
}

SCSS

$custom: #4759bb;
$custom-light: #8587d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4759bb",
  "rgb": {
    "r": 71,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 230.69,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5033,
    "c": 0.15471,
    "h": 271.9
  },
  "luminance": 0.12072
}

Semantic roles & 50–950 ramp

primary

#4759BB

secondary

#C9C195

accent

#C152D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4759BB

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

Preview Lab → · Contrast checker → · Palette generator →