#4E77B3#4E77B3

#4E77B3 is a mid, moderate blue. Relative luminance 0.181; OKLCH L 56.6% C 0.104 H 257.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4E77B3
RGB	rgb(78, 119, 179)
HSL	hsl(216, 40%, 50%)
HSV	hsv(216, 56%, 70%)
CMYK	cmyk(56.4%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(49.58, 3.79, -36.12)
CIE-LCH	lch(49.58, 36.31, 276.00°)
OKLab	oklab(56.62% -0.022 -0.1019)
OKLCH	oklch(56.62% 0.104 257.8)
XYZ	xyz(17.8726, 18.0666, 45.1844)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77B3 #B38A4E

analogous

#4EA9B3 #4E77B3 #584EB3

triadic

#4E77B3 #B34E77 #77B34E

tetradic

#4E77B3 #B34EA9 #B38A4E #4EB358

square

#4E77B3 #B34EA9 #B38A4E #4EB358

split-complementary

#4E77B3 #B3584E #A9B34E

monochromatic

#283E5E #3B5B89 #4E77B3 #7998C5 #A4B9D8

Accessibility & contrast

On white

4.55

#4E77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4E77B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77B3

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77B3	#FFFFFF	#000000	##000000
##4E77B3	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB6

Deuteranopia (green-blind)

#5272B2

Tritanopia (blue-blind)

#03848D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e77b3;
/* rgb */ color: rgb(78, 119, 179);
/* oklch */ color: oklch(56.6% 0.104 257.8);

Tailwind

colors: {
  custom: {
    50: '#879dca',
    500: '#4e77b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e77b3;
$custom-light: #879dca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77b3",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 215.644,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56619,
    "c": 0.10427,
    "h": 257.8
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#4E77B3

secondary

#C5B398

accent

#9F58D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E77B3

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

Preview Lab → · Contrast checker → · Palette generator →