#4F77C8#4F77C8

#4F77C8 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.133 H 263.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4F77C8
RGB	rgb(79, 119, 200)
HSL	hsl(220, 52%, 55%)
HSV	hsv(220, 61%, 78%)
CMYK	cmyk(60.5%, 40.5%, 0%, 21.6%)
CIE-LAB	lab(50.72, 11.03, -46.39)
CIE-LCH	lch(50.72, 47.68, 283.37°)
OKLab	oklab(57.87% -0.0161 -0.1319)
OKLCH	oklch(57.87% 0.133 263)
XYZ	xyz(20.2430, 19.0243, 57.2377)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F77C8 #C8A04F

analogous

#4FB4C8 #4F77C8 #634FC8

triadic

#4F77C8 #C84F77 #77C84F

tetradic

#4F77C8 #C84FB4 #C8A04F #4FC863

square

#4F77C8 #C84FB4 #C8A04F #4FC863

split-complementary

#4F77C8 #C8634F #B4C84F

monochromatic

#254077 #345AA6 #4F77C8 #7E9BD7 #ACBFE5

Accessibility & contrast

On white

4.37

#4F77C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#4F77C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F77C8

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F77C8	#FFFFFF	#000000	##000000
##4F77C8	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547FCB

Deuteranopia (green-blind)

#4374C6

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f77c8;
/* rgb */ color: rgb(79, 119, 200);
/* oklch */ color: oklch(57.9% 0.133 263.0);

Tailwind

colors: {
  custom: {
    50: '#8a9dd9',
    500: '#4f77c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f77c8;
$custom-light: #8a9dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f77c8",
  "rgb": {
    "r": 79,
    "g": 119,
    "b": 200
  },
  "hsl": {
    "h": 220.165,
    "s": 52.381,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57872,
    "c": 0.13288,
    "h": 263
  },
  "luminance": 0.19026
}

Semantic roles & 50–950 ramp

primary

#4F77C8

secondary

#D3C2A0

accent

#AC4CDC

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F77C8

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

Preview Lab → · Contrast checker → · Palette generator →