#4E77CC#4E77CC

#4E77CC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.139 H 263.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4E77CC
RGB	rgb(78, 119, 204)
HSL	hsl(220, 55%, 55%)
HSV	hsv(220, 62%, 80%)
CMYK	cmyk(61.8%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.89, 12.20, -48.40)
CIE-LCH	lch(50.89, 49.91, 284.15°)
OKLab	oklab(58.06% -0.0162 -0.1378)
OKLCH	oklch(58.06% 0.139 263.3)
XYZ	xyz(20.6340, 19.1712, 59.7280)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77CC #CCA34E

analogous

#4EB6CC #4E77CC #644ECC

triadic

#4E77CC #CC4E77 #77CC4E

tetradic

#4E77CC #CC4EB6 #CCA34E #4ECC64

square

#4E77CC #CC4EB6 #CCA34E #4ECC64

split-complementary

#4E77CC #CC644E #B6CC4E

monochromatic

#24407C #3159AB #4E77CC #7E9CDA #ADC0E7

Accessibility & contrast

On white

4.34

#4E77CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4E77CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77CC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77CC	#FFFFFF	#000000	##000000
##4E77CC	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517FCF

Deuteranopia (green-blind)

#3F74CA

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4e77cc;
/* rgb */ color: rgb(78, 119, 204);
/* oklch */ color: oklch(58.1% 0.139 263.3);

Tailwind

colors: {
  custom: {
    50: '#8b9ddc',
    500: '#4e77cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e77cc;
$custom-light: #8b9ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77cc",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 220.476,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58063,
    "c": 0.13877,
    "h": 263.3
  },
  "luminance": 0.19173
}

Semantic roles & 50–950 ramp

primary

#4E77CC

secondary

#D5C4A1

accent

#AE49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E77CC

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

Preview Lab → · Contrast checker → · Palette generator →