#4078D1#4078D1

#4078D1 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.149 H 259.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4078D1
RGB	rgb(64, 120, 209)
HSL	hsl(217, 61%, 54%)
HSV	hsv(217, 69%, 82%)
CMYK	cmyk(69.4%, 42.6%, 0%, 18%)
CIE-LAB	lab(50.83, 10.98, -51.37)
CIE-LCH	lch(50.83, 52.53, 282.06°)
OKLab	oklab(57.94% -0.0277 -0.1468)
OKLCH	oklch(57.94% 0.149 259.3)
XYZ	xyz(20.3353, 19.1243, 62.9289)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078D1 #D19940

analogous

#40C0D1 #4078D1 #5040D1

triadic

#4078D1 #D14078 #78D140

tetradic

#4078D1 #D140C0 #D19940 #40D150

square

#4078D1 #D140C0 #D19940 #40D150

split-complementary

#4078D1 #D15040 #C0D140

monochromatic

#1D4179 #295BAB #4078D1 #719BDD #A3BEE9

Accessibility & contrast

On white

4.35

#4078D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4078D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078D1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078D1	#FFFFFF	#000000	##000000
##4078D1	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)

#4D80D4

Deuteranopia (green-blind)

#3573CF

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4078d1;
/* rgb */ color: rgb(64, 120, 209);
/* oklch */ color: oklch(57.9% 0.149 259.3);

Tailwind

colors: {
  custom: {
    50: '#859edf',
    500: '#4078d1',
    950: '#000000',
  },
}

SCSS

$custom: #4078d1;
$custom-light: #859edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4078d1",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 209
  },
  "hsl": {
    "h": 216.828,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57943,
    "c": 0.14935,
    "h": 259.3
  },
  "luminance": 0.19126
}

Semantic roles & 50–950 ramp

primary

#4078D1

secondary

#D5BD97

accent

#A644E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4078D1

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

Preview Lab → · Contrast checker → · Palette generator →