#4073C5#4073C5

#4073C5 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.139 H 259.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4073C5
RGB	rgb(64, 115, 197)
HSL	hsl(217, 53%, 51%)
HSV	hsv(217, 68%, 77%)
CMYK	cmyk(67.5%, 41.6%, 0%, 22.7%)
CIE-LAB	lab(48.74, 9.79, -47.86)
CIE-LCH	lch(48.74, 48.85, 281.55°)
OKLab	oklab(56.1% -0.0253 -0.1365)
OKLCH	oklch(56.1% 0.139 259.5)
XYZ	xyz(18.3195, 17.3808, 55.2019)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073C5 #C59240

analogous

#40B6C5 #4073C5 #4F40C5

triadic

#4073C5 #C54073 #73C540

tetradic

#4073C5 #C540B6 #C59240 #40C54F

square

#4073C5 #C540B6 #C59240 #40C54F

split-complementary

#4073C5 #C54F40 #B6C540

monochromatic

#203D6A #2F5799 #4073C5 #6F95D3 #9EB8E2

Accessibility & contrast

On white

4.69

#4073C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4073C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073C5

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073C5	#FFFFFF	#000000	##FFFFFF
##4073C5	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC8

Deuteranopia (green-blind)

#386EC3

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4073c5;
/* rgb */ color: rgb(64, 115, 197);
/* oklch */ color: oklch(56.1% 0.139 259.5);

Tailwind

colors: {
  custom: {
    50: '#839ad7',
    500: '#4073c5',
    950: '#000000',
  },
}

SCSS

$custom: #4073c5;
$custom-light: #839ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#4073c5",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 197
  },
  "hsl": {
    "h": 216.992,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56099,
    "c": 0.13887,
    "h": 259.5
  },
  "luminance": 0.17383
}

Semantic roles & 50–950 ramp

primary

#4073C5

secondary

#CEB793

accent

#A54BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4073C5

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

Preview Lab → · Contrast checker → · Palette generator →