#4E77B8#4E77B8

#4E77B8 is a mid, moderate blue. Relative luminance 0.183; OKLCH L 56.9% C 0.111 H 259.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4E77B8
RGB	rgb(78, 119, 184)
HSL	hsl(217, 43%, 51%)
HSV	hsv(217, 58%, 72%)
CMYK	cmyk(57.6%, 35.3%, 0%, 27.8%)
CIE-LAB	lab(49.83, 5.45, -38.61)
CIE-LCH	lch(49.83, 39.00, 278.03°)
OKLab	oklab(56.89% -0.0207 -0.1092)
OKLCH	oklch(56.89% 0.111 259.3)
XYZ	xyz(18.3874, 18.2725, 47.8961)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77B8 #B88F4E

analogous

#4EACB8 #4E77B8 #5A4EB8

triadic

#4E77B8 #B84E77 #77B84E

tetradic

#4E77B8 #B84EAC #B88F4E #4EB85A

square

#4E77B8 #B84EAC #B88F4E #4EB85A

split-complementary

#4E77B8 #B85A4E #ACB84E

monochromatic

#283F64 #395B8F #4E77B8 #7A99CA #A5BADB

Accessibility & contrast

On white

4.51

#4E77B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4E77B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77B8

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77B8	#FFFFFF	#000000	##000000
##4E77B8	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7CBB

Deuteranopia (green-blind)

#4F72B7

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e77b8;
/* rgb */ color: rgb(78, 119, 184);
/* oklch */ color: oklch(56.9% 0.111 259.3);

Tailwind

colors: {
  custom: {
    50: '#889dcd',
    500: '#4e77b8',
    950: '#000000',
  },
}

SCSS

$custom: #4e77b8;
$custom-light: #889dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77b8",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 216.792,
    "s": 42.742,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56894,
    "c": 0.11114,
    "h": 259.3
  },
  "luminance": 0.18274
}

Semantic roles & 50–950 ramp

primary

#4E77B8

secondary

#C8B69A

accent

#A255D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E77B8

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

Preview Lab → · Contrast checker → · Palette generator →