#4E77B5#4E77B5

#4E77B5 is a mid, moderate blue. Relative luminance 0.181; OKLCH L 56.7% C 0.107 H 258.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4E77B5
RGB	rgb(78, 119, 181)
HSL	hsl(216, 41%, 51%)
HSV	hsv(216, 57%, 71%)
CMYK	cmyk(56.9%, 34.3%, 0%, 29%)
CIE-LAB	lab(49.68, 4.45, -37.12)
CIE-LCH	lch(49.68, 37.38, 276.84°)
OKLab	oklab(56.73% -0.0215 -0.1048)
OKLCH	oklch(56.73% 0.107 258.4)
XYZ	xyz(18.0763, 18.1481, 46.2575)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77B5 #B58C4E

analogous

#4EAAB5 #4E77B5 #584EB5

triadic

#4E77B5 #B54E77 #77B54E

tetradic

#4E77B5 #B54EAA #B58C4E #4EB558

square

#4E77B5 #B54EAA #B58C4E #4EB558

split-complementary

#4E77B5 #B5584E #AAB54E

monochromatic

#283F60 #3A5B8B #4E77B5 #7998C7 #A4B9D9

Accessibility & contrast

On white

4.54

#4E77B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4E77B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77B5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77B5	#FFFFFF	#000000	##000000
##4E77B5	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7BB8

Deuteranopia (green-blind)

#5172B4

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e77b5;
/* rgb */ color: rgb(78, 119, 181);
/* oklch */ color: oklch(56.7% 0.107 258.4);

Tailwind

colors: {
  custom: {
    50: '#879dcb',
    500: '#4e77b5',
    950: '#000000',
  },
}

SCSS

$custom: #4e77b5;
$custom-light: #879dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77b5",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 181
  },
  "hsl": {
    "h": 216.117,
    "s": 41.036,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56728,
    "c": 0.10701,
    "h": 258.4
  },
  "luminance": 0.1815
}

Semantic roles & 50–950 ramp

primary

#4E77B5

secondary

#C6B499

accent

#A057D1

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E77B5

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

Preview Lab → · Contrast checker → · Palette generator →