#4B77CF#4B77CF

#4B77CF is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.144 H 262.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B77CF
RGB	rgb(75, 119, 207)
HSL	hsl(220, 58%, 55%)
HSV	hsv(220, 64%, 81%)
CMYK	cmyk(63.8%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.91, 12.69, -50.07)
CIE-LCH	lch(50.91, 51.66, 284.22°)
OKLab	oklab(58.1% -0.0182 -0.1428)
OKLCH	oklch(58.1% 0.144 262.7)
XYZ	xyz(20.7570, 19.1926, 61.6300)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B77CF #CFA34B

analogous

#4BB9CF #4B77CF #614BCF

triadic

#4B77CF #CF4B77 #77CF4B

tetradic

#4B77CF #CF4BB9 #CFA34B #4BCF61

square

#4B77CF #CF4BB9 #CFA34B #4BCF61

split-complementary

#4B77CF #CF614B #B9CF4B

monochromatic

#22407E #2E59AE #4B77CF #7B9CDC #ACC0E9

Accessibility & contrast

On white

4.34

#4B77CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4B77CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B77CF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B77CF	#FFFFFF	#000000	##000000
##4B77CF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E80D2

Deuteranopia (green-blind)

#3A74CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b77cf;
/* rgb */ color: rgb(75, 119, 207);
/* oklch */ color: oklch(58.1% 0.144 262.7);

Tailwind

colors: {
  custom: {
    50: '#8a9dde',
    500: '#4b77cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b77cf;
$custom-light: #8a9dde;
$custom-dark: #000000;

JSON

{
  "hex": "#4b77cf",
  "rgb": {
    "r": 75,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 220,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58097,
    "c": 0.14396,
    "h": 262.7
  },
  "luminance": 0.19195
}

Semantic roles & 50–950 ramp

primary

#4B77CF

secondary

#D6C49F

accent

#AE47E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4B77CF

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

Preview Lab → · Contrast checker → · Palette generator →