#4078D7#4078D7

#4078D7 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.157 H 260.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4078D7
RGB	rgb(64, 120, 215)
HSL	hsl(218, 65%, 55%)
HSV	hsv(218, 70%, 84%)
CMYK	cmyk(70.2%, 44.2%, 0%, 15.7%)
CIE-LAB	lab(51.18, 13.13, -54.21)
CIE-LCH	lch(51.18, 55.77, 283.62°)
OKLab	oklab(58.33% -0.0266 -0.1551)
OKLCH	oklch(58.33% 0.157 260.3)
XYZ	xyz(21.0922, 19.4270, 66.9150)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078D7 #D79F40

analogous

#40C4D7 #4078D7 #5340D7

triadic

#4078D7 #D74078 #78D740

tetradic

#4078D7 #D740C4 #D79F40 #40D753

square

#4078D7 #D740C4 #D79F40 #40D753

split-complementary

#4078D7 #D75340 #C4D740

monochromatic

#1B4181 #265BB4 #4078D7 #739CE2 #A5C0EC

Accessibility & contrast

On white

4.30

#4078D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4078D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078D7

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078D7	#FFFFFF	#000000	##000000
##4078D7	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4981DB

Deuteranopia (green-blind)

#2C73D5

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4078d7;
/* rgb */ color: rgb(64, 120, 215);
/* oklch */ color: oklch(58.3% 0.157 260.3);

Tailwind

colors: {
  custom: {
    50: '#869ee4',
    500: '#4078d7',
    950: '#000000',
  },
}

SCSS

$custom: #4078d7;
$custom-light: #869ee4;
$custom-dark: #000000;

JSON

{
  "hex": "#4078d7",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 215
  },
  "hsl": {
    "h": 217.748,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58328,
    "c": 0.15737,
    "h": 260.3
  },
  "luminance": 0.19429
}

Semantic roles & 50–950 ramp

primary

#4078D7

secondary

#D9C29A

accent

#AA3FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E15

muted

#7D7E84

Preview Lab

Preview with #4078D7

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

Preview Lab → · Contrast checker → · Palette generator →