#4E77CB#4E77CB

#4E77CB is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.137 H 263.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4E77CB
RGB	rgb(78, 119, 203)
HSL	hsl(220, 55%, 55%)
HSV	hsv(220, 62%, 80%)
CMYK	cmyk(61.6%, 41.4%, 0%, 20.4%)
CIE-LAB	lab(50.83, 11.86, -47.92)
CIE-LCH	lch(50.83, 49.36, 283.90°)
OKLab	oklab(58% -0.0164 -0.1364)
OKLCH	oklch(58% 0.137 263.2)
XYZ	xyz(20.5145, 19.1233, 59.0984)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E77CB #CBA24E

analogous

#4EB5CB #4E77CB #634ECB

triadic

#4E77CB #CB4E77 #77CB4E

tetradic

#4E77CB #CB4EB5 #CBA24E #4ECB63

square

#4E77CB #CB4EB5 #CBA24E #4ECB63

split-complementary

#4E77CB #CB634E #B5CB4E

monochromatic

#24407B #3259AA #4E77CB #7D9BD9 #ADC0E7

Accessibility & contrast

On white

4.35

#4E77CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4E77CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E77CB

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E77CB	#FFFFFF	#000000	##000000
##4E77CB	1.00	4.35	4.83	4.83
#FFFFFF	4.35	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)

#527FCE

Deuteranopia (green-blind)

#4074C9

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4e77cb;
/* rgb */ color: rgb(78, 119, 203);
/* oklch */ color: oklch(58.0% 0.137 263.2);

Tailwind

colors: {
  custom: {
    50: '#8a9ddb',
    500: '#4e77cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e77cb;
$custom-light: #8a9ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e77cb",
  "rgb": {
    "r": 78,
    "g": 119,
    "b": 203
  },
  "hsl": {
    "h": 220.32,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58002,
    "c": 0.13739,
    "h": 263.2
  },
  "luminance": 0.19125
}

Semantic roles & 50–950 ramp

primary

#4E77CB

secondary

#D5C3A0

accent

#AD4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E77CB

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

Preview Lab → · Contrast checker → · Palette generator →