#4073D4#4073D4

#4073D4 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.1% C 0.159 H 261.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4073D4
RGB	rgb(64, 115, 212)
HSL	hsl(219, 63%, 54%)
HSV	hsv(219, 70%, 83%)
CMYK	cmyk(69.8%, 45.8%, 0%, 16.9%)
CIE-LAB	lab(49.62, 15.16, -55.01)
CIE-LCH	lch(49.62, 57.06, 285.41°)
OKLab	oklab(57.07% -0.0226 -0.1575)
OKLCH	oklch(57.07% 0.159 261.8)
XYZ	xyz(20.1245, 18.1028, 64.7082)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073D4 #D4A140

analogous

#40BDD4 #4073D4 #5740D4

triadic

#4073D4 #D44073 #73D440

tetradic

#4073D4 #D440BD #D4A140 #40D457

square

#4073D4 #D440BD #D4A140 #40D457

split-complementary

#4073D4 #D45740 #BDD440

monochromatic

#1C3E7D #2756AF #4073D4 #7298DF #A4BCEA

Accessibility & contrast

On white

4.54

#4073D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4073D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4073D4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073D4	#FFFFFF	#000000	##000000
##4073D4	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417DD8

Deuteranopia (green-blind)

#2270D2

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4073d4;
/* rgb */ color: rgb(64, 115, 212);
/* oklch */ color: oklch(57.1% 0.159 261.8);

Tailwind

colors: {
  custom: {
    50: '#869ae2',
    500: '#4073d4',
    950: '#000000',
  },
}

SCSS

$custom: #4073d4;
$custom-light: #869ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#4073d4",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 212
  },
  "hsl": {
    "h": 219.324,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57067,
    "c": 0.15916,
    "h": 261.8
  },
  "luminance": 0.18105
}

Semantic roles & 50–950 ramp

primary

#4073D4

secondary

#D7C298

accent

#AE42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4073D4

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

Preview Lab → · Contrast checker → · Palette generator →