#4073FF#4073FF

#4073FF is a mid, highly saturated blue. Relative luminance 0.206; OKLCH L 60.1% C 0.216 H 265.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4073FF
RGB	rgb(64, 115, 255)
HSL	hsl(224, 100%, 63%)
HSV	hsv(224, 75%, 100%)
CMYK	cmyk(74.9%, 54.9%, 0%, 0%)
CIE-LAB	lab(52.47, 30.63, -74.50)
CIE-LCH	lch(52.47, 80.55, 292.35°)
OKLab	oklab(60.15% -0.018 -0.2149)
OKLCH	oklch(60.15% 0.216 265.2)
XYZ	xyz(26.2887, 20.5685, 97.1730)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073FF #FFCC40

analogous

#40D3FF #4073FF #6C40FF

triadic

#4073FF #FF4073 #73FF40

tetradic

#4073FF #FF40D3 #FFCC40 #40FF6C

square

#4073FF #FF40D3 #FFCC40 #40FF6C

split-complementary

#4073FF #FF6C40 #D3FF40

monochromatic

#0034C5 #0346FF #4073FF #7DA0FF #BACDFF

Accessibility & contrast

On white

4.11

#4073FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4073FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4073FF

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073FF	#FFFFFF	#000000	##000000
##4073FF	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0086FF

Deuteranopia (green-blind)

#0075FC

Tritanopia (blue-blind)

#0096AE

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4073ff;
/* rgb */ color: rgb(64, 115, 255);
/* oklch */ color: oklch(60.1% 0.216 265.2);

Tailwind

colors: {
  custom: {
    50: '#8e9aff',
    500: '#4073ff',
    950: '#000000',
  },
}

SCSS

$custom: #4073ff;
$custom-light: #8e9aff;
$custom-dark: #000000;

JSON

{
  "hex": "#4073ff",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 255
  },
  "hsl": {
    "h": 223.979,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.60145,
    "c": 0.21563,
    "h": 265.2
  },
  "luminance": 0.20571
}

Semantic roles & 50–950 ramp

primary

#4073FF

secondary

#F0DEAB

accent

#A800E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E18

muted

#7E7E86

Preview Lab

Preview with #4073FF

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

Preview Lab → · Contrast checker → · Palette generator →