#4C5FB8#4C5FB8

#4C5FB8 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.6% C 0.141 H 271.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#4C5FB8
RGB	rgb(76, 95, 184)
HSL	hsl(229, 43%, 51%)
HSV	hsv(229, 59%, 72%)
CMYK	cmyk(58.7%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(43.03, 20.01, -49.43)
CIE-LCH	lch(43.03, 53.32, 292.04°)
OKLab	oklab(51.64% 0.0039 -0.1412)
OKLCH	oklch(51.64% 0.141 271.6)
XYZ	xyz(15.7216, 13.1804, 47.0537)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C5FB8 #B8A54C

analogous

#4C95B8 #4C5FB8 #6F4CB8

triadic

#4C5FB8 #B84C5F #5FB84C

tetradic

#4C5FB8 #B84C95 #B8A54C #4CB86F

square

#4C5FB8 #B84C95 #B8A54C #4CB86F

split-complementary

#4C5FB8 #B86F4C #95B84C

monochromatic

#273263 #38488E #4C5FB8 #7886C9 #A4ADDB

Accessibility & contrast

On white

5.77

#4C5FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4C5FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C5FB8

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C5FB8	#FFFFFF	#000000	##FFFFFF
##4C5FB8	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336BBB

Deuteranopia (green-blind)

#2261B6

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4c5fb8;
/* rgb */ color: rgb(76, 95, 184);
/* oklch */ color: oklch(51.6% 0.141 271.6);

Tailwind

colors: {
  custom: {
    50: '#878cce',
    500: '#4c5fb8',
    950: '#000000',
  },
}

SCSS

$custom: #4c5fb8;
$custom-light: #878cce;
$custom-dark: #000000;

JSON

{
  "hex": "#4c5fb8",
  "rgb": {
    "r": 76,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 229.444,
    "s": 43.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51638,
    "c": 0.14122,
    "h": 271.6
  },
  "luminance": 0.13182
}

Semantic roles & 50–950 ramp

primary

#4C5FB8

secondary

#C8BF98

accent

#BD55D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4C5FB8

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

Preview Lab → · Contrast checker → · Palette generator →