#4758BB#4758BB

#4758BB is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.156 H 272.2°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4758BB
RGB	rgb(71, 88, 187)
HSL	hsl(231, 46%, 51%)
HSV	hsv(231, 62%, 73%)
CMYK	cmyk(62%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(41.07, 24.56, -54.36)
CIE-LCH	lch(41.07, 59.65, 294.31°)
OKLab	oklab(50.13% 0.0061 -0.1559)
OKLCH	oklch(50.13% 0.156 272.2)
XYZ	xyz(15.0549, 11.9056, 48.5087)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4758BB #BBAA47

analogous

#4792BB #4758BB #7047BB

triadic

#4758BB #BB4758 #58BB47

tetradic

#4758BB #BB4792 #BBAA47 #47BB70

square

#4758BB #BB4792 #BBAA47 #47BB70

split-complementary

#4758BB #BB7047 #92BB47

monochromatic

#252E63 #354290 #4758BB #7481CC #A0A9DC

Accessibility & contrast

On white

6.21

#4758BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4758BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4758BB

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4758BB	#FFFFFF	#000000	##FFFFFF
##4758BB	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A66BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4758bb;
/* rgb */ color: rgb(71, 88, 187);
/* oklch */ color: oklch(50.1% 0.156 272.2);

Tailwind

colors: {
  custom: {
    50: '#8586d0',
    500: '#4758bb',
    950: '#000000',
  },
}

SCSS

$custom: #4758bb;
$custom-light: #8586d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4758bb",
  "rgb": {
    "r": 71,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 231.207,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50132,
    "c": 0.15601,
    "h": 272.2
  },
  "luminance": 0.11907
}

Semantic roles & 50–950 ramp

primary

#4758BB

secondary

#C9C195

accent

#C252D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4758BB

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

Preview Lab → · Contrast checker → · Palette generator →