#4073D7#4073D7

#4073D7 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.163 H 262.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4073D7
RGB	rgb(64, 115, 215)
HSL	hsl(220, 65%, 55%)
HSV	hsv(220, 70%, 84%)
CMYK	cmyk(70.2%, 46.5%, 0%, 15.7%)
CIE-LAB	lab(49.80, 16.24, -56.42)
CIE-LCH	lch(49.80, 58.71, 286.06°)
OKLab	oklab(57.27% -0.0221 -0.1617)
OKLCH	oklch(57.27% 0.163 262.2)
XYZ	xyz(20.5065, 18.2556, 66.7198)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073D7 #D7A440

analogous

#40BFD7 #4073D7 #5940D7

triadic

#4073D7 #D74073 #73D740

tetradic

#4073D7 #D740BF #D7A440 #40D759

square

#4073D7 #D740BF #D7A440 #40D759

split-complementary

#4073D7 #D75940 #BFD740

monochromatic

#1B3E81 #2656B4 #4073D7 #7398E2 #A5BDEC

Accessibility & contrast

On white

4.51

#4073D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4073D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4073D7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073D7	#FFFFFF	#000000	##000000
##4073D7	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7EDB

Deuteranopia (green-blind)

#1C70D5

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4073d7;
/* rgb */ color: rgb(64, 115, 215);
/* oklch */ color: oklch(57.3% 0.163 262.2);

Tailwind

colors: {
  custom: {
    50: '#869ae4',
    500: '#4073d7',
    950: '#000000',
  },
}

SCSS

$custom: #4073d7;
$custom-light: #869ae4;
$custom-dark: #000000;

JSON

{
  "hex": "#4073d7",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 215
  },
  "hsl": {
    "h": 219.735,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57267,
    "c": 0.1632,
    "h": 262.2
  },
  "luminance": 0.18258
}

Semantic roles & 50–950 ramp

primary

#4073D7

secondary

#D9C49A

accent

#AF3FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #4073D7

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

Preview Lab → · Contrast checker → · Palette generator →