#4B77BC#4B77BC

#4B77BC is a mid, moderate blue. Relative luminance 0.183; OKLCH L 57.0% C 0.118 H 259.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B77BC
RGB	rgb(75, 119, 188)
HSL	hsl(217, 46%, 52%)
HSV	hsv(217, 60%, 74%)
CMYK	cmyk(60.1%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.88, 6.18, -40.84)
CIE-LCH	lch(49.88, 41.31, 278.60°)
OKLab	oklab(56.96% -0.0223 -0.1157)
OKLCH	oklch(56.96% 0.118 259.1)
XYZ	xyz(18.5724, 18.3187, 50.1243)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B77BC #BC904B

analogous

#4BB0BC #4B77BC #584BBC

triadic

#4B77BC #BC4B77 #77BC4B

tetradic

#4B77BC #BC4BB0 #BC904B #4BBC58

square

#4B77BC #BC4BB0 #BC904B #4BBC58

split-complementary

#4B77BC #BC584B #B0BC4B

monochromatic

#263F66 #375B93 #4B77BC #7899CD #A4BADD

Accessibility & contrast

On white

4.50

#4B77BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4B77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B77BC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B77BC	#FFFFFF	#000000	##000000
##4B77BC	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBF

Deuteranopia (green-blind)

#4B72BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b77bc;
/* rgb */ color: rgb(75, 119, 188);
/* oklch */ color: oklch(57.0% 0.118 259.1);

Tailwind

colors: {
  custom: {
    50: '#879dd0',
    500: '#4b77bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b77bc;
$custom-light: #879dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b77bc",
  "rgb": {
    "r": 75,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 216.637,
    "s": 45.749,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56963,
    "c": 0.11789,
    "h": 259.1
  },
  "luminance": 0.1832
}

Semantic roles & 50–950 ramp

primary

#4B77BC

secondary

#CAB799

accent

#A252D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4B77BC

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

Preview Lab → · Contrast checker → · Palette generator →