#4E77BC#4E77BC

#4E77BC is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.1% C 0.117 H 260.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4E77BC
RGB	rgb(78, 119, 188)
HSL	hsl(218, 45%, 52%)
HSV	hsv(218, 59%, 74%)
CMYK	cmyk(58.5%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(50.03, 6.78, -40.60)
CIE-LCH	lch(50.03, 41.16, 279.49°)
OKLab	oklab(57.12% -0.0197 -0.115)
OKLCH	oklch(57.12% 0.117 260.3)
XYZ	xyz(18.8127, 18.4426, 50.1356)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77BC #BC934E

analogous

#4EAEBC #4E77BC #5C4EBC

triadic

#4E77BC #BC4E77 #77BC4E

tetradic

#4E77BC #BC4EAE #BC934E #4EBC5C

square

#4E77BC #BC4EAE #BC934E #4EBC5C

split-complementary

#4E77BC #BC5C4E #AEBC4E

monochromatic

#274068 #385B95 #4E77BC #7A99CD #A7BBDE

Accessibility & contrast

On white

4.48

#4E77BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4E77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77BC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77BC	#FFFFFF	#000000	##000000
##4E77BC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4e77bc;
/* rgb */ color: rgb(78, 119, 188);
/* oklch */ color: oklch(57.1% 0.117 260.3);

Tailwind

colors: {
  custom: {
    50: '#889dd0',
    500: '#4e77bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e77bc;
$custom-light: #889dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77bc",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 217.636,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57119,
    "c": 0.11665,
    "h": 260.3
  },
  "luminance": 0.18444
}

Semantic roles & 50–950 ramp

primary

#4E77BC

secondary

#CBB99B

accent

#A453D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E77BC

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

Preview Lab → · Contrast checker → · Palette generator →