#4F77DF#4F77DF

#4F77DF is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.3% C 0.164 H 265.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4F77DF
RGB	rgb(79, 119, 223)
HSL	hsl(223, 69%, 59%)
HSV	hsv(223, 65%, 87%)
CMYK	cmyk(64.6%, 46.6%, 0%, 12.5%)
CIE-LAB	lab(52.04, 18.91, -57.31)
CIE-LCH	lch(52.04, 60.35, 288.26°)
OKLab	oklab(59.32% -0.0121 -0.164)
OKLCH	oklch(59.32% 0.164 265.8)
XYZ	xyz(23.1359, 20.1815, 72.4739)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F77DF #DFB74F

analogous

#4FBFDF #4F77DF #6F4FDF

triadic

#4F77DF #DF4F77 #77DF4F

tetradic

#4F77DF #DF4FBF #DFB74F #4FDF6F

square

#4F77DF #DF4FBF #DFB74F #4FDF6F

split-complementary

#4F77DF #DF6F4F #BFDF4F

monochromatic

#1C3E98 #2553CC #4F77DF #839FE8 #B7C7F2

Accessibility & contrast

On white

4.17

#4F77DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#4F77DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F77DF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F77DF	#FFFFFF	#000000	##000000
##4F77DF	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4283E3

Deuteranopia (green-blind)

#2676DD

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4f77df;
/* rgb */ color: rgb(79, 119, 223);
/* oklch */ color: oklch(59.3% 0.164 265.8);

Tailwind

colors: {
  custom: {
    50: '#8e9dea',
    500: '#4f77df',
    950: '#000000',
  },
}

SCSS

$custom: #4f77df;
$custom-light: #8e9dea;
$custom-dark: #000000;

JSON

{
  "hex": "#4f77df",
  "rgb": {
    "r": 79,
    "g": 119,
    "b": 223
  },
  "hsl": {
    "h": 223.333,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5932,
    "c": 0.16444,
    "h": 265.8
  },
  "luminance": 0.20184
}

Semantic roles & 50–950 ramp

primary

#4F77DF

secondary

#E1D1A9

accent

#BB3CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4F77DF

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

Preview Lab → · Contrast checker → · Palette generator →