#4778BF#4778BF

#4778BF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.2% C 0.123 H 257.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4778BF
RGB	rgb(71, 120, 191)
HSL	hsl(216, 48%, 51%)
HSV	hsv(216, 63%, 75%)
CMYK	cmyk(62.8%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.14, 5.82, -42.17)
CIE-LCH	lch(50.14, 42.57, 277.86°)
OKLab	oklab(57.16% -0.0261 -0.1197)
OKLCH	oklch(57.16% 0.123 257.7)
XYZ	xyz(18.7156, 18.5324, 51.8709)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4778BF #BF8E47

analogous

#47B4BF #4778BF #5247BF

triadic

#4778BF #BF4778 #78BF47

tetradic

#4778BF #BF47B4 #BF8E47 #47BF52

square

#4778BF #BF47B4 #BF8E47 #47BF52

split-complementary

#4778BF #BF5247 #B4BF47

monochromatic

#244068 #345B95 #4778BF #7499CF #A2BBDF

Accessibility & contrast

On white

4.46

#4778BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4778BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4778BF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4778BF	#FFFFFF	#000000	##000000
##4778BF	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC2

Deuteranopia (green-blind)

#4972BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4778bf;
/* rgb */ color: rgb(71, 120, 191);
/* oklch */ color: oklch(57.2% 0.123 257.7);

Tailwind

colors: {
  custom: {
    50: '#859ed2',
    500: '#4778bf',
    950: '#000000',
  },
}

SCSS

$custom: #4778bf;
$custom-light: #859ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4778bf",
  "rgb": {
    "r": 71,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 215.5,
    "s": 48.387,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57162,
    "c": 0.12251,
    "h": 257.7
  },
  "luminance": 0.18534
}

Semantic roles & 50–950 ramp

primary

#4778BF

secondary

#CBB696

accent

#A050D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4778BF

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

Preview Lab → · Contrast checker → · Palette generator →