#4078D2#4078D2

#4078D2 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.151 H 259.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4078D2
RGB	rgb(64, 120, 210)
HSL	hsl(217, 62%, 54%)
HSV	hsv(217, 70%, 82%)
CMYK	cmyk(69.5%, 42.9%, 0%, 17.6%)
CIE-LAB	lab(50.89, 11.34, -51.84)
CIE-LCH	lch(50.89, 53.07, 282.33°)
OKLab	oklab(58.01% -0.0275 -0.1481)
OKLCH	oklch(58.01% 0.151 259.5)
XYZ	xyz(20.4595, 19.1739, 63.5830)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078D2 #D29A40

analogous

#40C1D2 #4078D2 #5140D2

triadic

#4078D2 #D24078 #78D240

tetradic

#4078D2 #D240C1 #D29A40 #40D251

square

#4078D2 #D240C1 #D29A40 #40D251

split-complementary

#4078D2 #D25140 #C1D240

monochromatic

#1D417B #295BAC #4078D2 #729BDE #A3BEE9

Accessibility & contrast

On white

4.34

#4078D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4078D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078D2

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078D2	#FFFFFF	#000000	##000000
##4078D2	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D80D5

Deuteranopia (green-blind)

#3373D0

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4078d2;
/* rgb */ color: rgb(64, 120, 210);
/* oklch */ color: oklch(58.0% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#859ee0',
    500: '#4078d2',
    950: '#000000',
  },
}

SCSS

$custom: #4078d2;
$custom-light: #859ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4078d2",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 210
  },
  "hsl": {
    "h": 216.986,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58007,
    "c": 0.15068,
    "h": 259.5
  },
  "luminance": 0.19176
}

Semantic roles & 50–950 ramp

primary

#4078D2

secondary

#D6BE98

accent

#A743E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4078D2

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

Preview Lab → · Contrast checker → · Palette generator →