#4F76CB#4F76CB

#4F76CB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.138 H 264.0°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4F76CB
RGB	rgb(79, 118, 203)
HSL	hsl(221, 54%, 55%)
HSV	hsv(221, 61%, 80%)
CMYK	cmyk(61.1%, 41.9%, 0%, 20.4%)
CIE-LAB	lab(50.60, 12.66, -48.28)
CIE-LCH	lch(50.60, 49.91, 284.70°)
OKLab	oklab(57.84% -0.0144 -0.1375)
OKLCH	oklch(57.84% 0.138 264)
XYZ	xyz(20.4787, 18.9291, 59.0628)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F76CB #CBA44F

analogous

#4FB4CB #4F76CB #664FCB

triadic

#4F76CB #CB4F76 #76CB4F

tetradic

#4F76CB #CB4FB4 #CBA44F #4FCB66

square

#4F76CB #CB4FB4 #CBA44F #4FCB66

split-complementary

#4F76CB #CB664F #B4CB4F

monochromatic

#24407B #3258AA #4F76CB #7E9BD9 #ADC0E7

Accessibility & contrast

On white

4.39

#4F76CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4F76CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F76CB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F76CB	#FFFFFF	#000000	##000000
##4F76CB	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FCE

Deuteranopia (green-blind)

#3E73C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f76cb;
/* rgb */ color: rgb(79, 118, 203);
/* oklch */ color: oklch(57.8% 0.138 264.0);

Tailwind

colors: {
  custom: {
    50: '#8b9ddb',
    500: '#4f76cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f76cb;
$custom-light: #8b9ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f76cb",
  "rgb": {
    "r": 79,
    "g": 118,
    "b": 203
  },
  "hsl": {
    "h": 221.129,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5784,
    "c": 0.13822,
    "h": 264
  },
  "luminance": 0.18931
}

Semantic roles & 50–950 ramp

primary

#4F76CB

secondary

#D5C5A1

accent

#AF4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F76CB

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

Preview Lab → · Contrast checker → · Palette generator →