#4780DB#4780DB

#4780DB is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.6% C 0.151 H 259.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4780DB
RGB	rgb(71, 128, 219)
HSL	hsl(217, 67%, 57%)
HSV	hsv(217, 68%, 86%)
CMYK	cmyk(67.6%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(53.91, 10.69, -52.09)
CIE-LCH	lch(53.91, 53.17, 281.60°)
OKLab	oklab(60.59% -0.0279 -0.1486)
OKLCH	oklch(60.59% 0.151 259.4)
XYZ	xyz(23.0993, 21.8901, 70.0119)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780DB #DBA247

analogous

#47CADB #4780DB #5847DB

triadic

#4780DB #DB4780 #80DB47

tetradic

#4780DB #DB47CA #DBA247 #47DB58

square

#4780DB #DB47CA #DBA247 #47DB58

split-complementary

#4780DB #DB5847 #CADB47

monochromatic

#1B478C #2561BF #4780DB #7AA3E5 #ADC7EF

Accessibility & contrast

On white

3.90

#4780DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#4780DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780DB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780DB	#FFFFFF	#000000	##000000
##4780DB	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DF

Deuteranopia (green-blind)

#3E7BD9

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4780db;
/* rgb */ color: rgb(71, 128, 219);
/* oklch */ color: oklch(60.6% 0.151 259.4);

Tailwind

colors: {
  custom: {
    50: '#8aa4e7',
    500: '#4780db',
    950: '#000000',
  },
}

SCSS

$custom: #4780db;
$custom-light: #8aa4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4780db",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 216.892,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60586,
    "c": 0.15124,
    "h": 259.4
  },
  "luminance": 0.21892
}

Semantic roles & 50–950 ramp

primary

#4780DB

secondary

#DDC6A1

accent

#A83EEA

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4780DB

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

Preview Lab → · Contrast checker → · Palette generator →