#4078CA#4078CA

#4078CA is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.5% C 0.140 H 258.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4078CA
RGB	rgb(64, 120, 202)
HSL	hsl(216, 57%, 52%)
HSV	hsv(216, 68%, 79%)
CMYK	cmyk(68.3%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(50.43, 8.48, -48.01)
CIE-LCH	lch(50.43, 48.76, 280.01°)
OKLab	oklab(57.51% -0.0291 -0.1369)
OKLCH	oklch(57.51% 0.14 258)
XYZ	xyz(19.4876, 18.7852, 58.4645)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078CA #CA9240

analogous

#40BDCA #4078CA #4D40CA

triadic

#4078CA #CA4078 #78CA40

tetradic

#4078CA #CA40BD #CA9240 #40CA4D

square

#4078CA #CA40BD #CA9240 #40CA4D

split-complementary

#4078CA #CA4D40 #BDCA40

monochromatic

#1F4070 #2C5BA0 #4078CA #709AD7 #A0BCE5

Accessibility & contrast

On white

4.41

#4078CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4078CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4078CA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078CA	#FFFFFF	#000000	##000000
##4078CA	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527FCD

Deuteranopia (green-blind)

#3C72C8

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4078ca;
/* rgb */ color: rgb(64, 120, 202);
/* oklch */ color: oklch(57.5% 0.140 258.0);

Tailwind

colors: {
  custom: {
    50: '#849eda',
    500: '#4078ca',
    950: '#000000',
  },
}

SCSS

$custom: #4078ca;
$custom-light: #849eda;
$custom-dark: #000000;

JSON

{
  "hex": "#4078ca",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 215.652,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57507,
    "c": 0.13998,
    "h": 258
  },
  "luminance": 0.18787
}

Semantic roles & 50–950 ramp

primary

#4078CA

secondary

#D1B995

accent

#A248E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4078CA

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

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