#4072BF#4072BF

#4072BF is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.5% C 0.132 H 258.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4072BF
RGB	rgb(64, 114, 191)
HSL	hsl(216, 50%, 50%)
HSV	hsv(216, 66%, 75%)
CMYK	cmyk(66.5%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(48.11, 8.27, -45.40)
CIE-LCH	lch(48.11, 46.15, 280.32°)
OKLab	oklab(55.51% -0.0256 -0.1293)
OKLCH	oklch(55.51% 0.132 258.8)
XYZ	xyz(17.5323, 16.8845, 51.6152)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072BF #BF8D40

analogous

#40B1BF #4072BF #4E40BF

triadic

#4072BF #BF4072 #72BF40

tetradic

#4072BF #BF40B1 #BF8D40 #40BF4E

square

#4072BF #BF40B1 #BF8D40 #40BF4E

split-complementary

#4072BF #BF4E40 #B1BF40

monochromatic

#213B63 #315791 #4072BF #6E94CE #9CB6DE

Accessibility & contrast

On white

4.80

#4072BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4072BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4072BF

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072BF	#FFFFFF	#000000	##FFFFFF
##4072BF	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C2

Deuteranopia (green-blind)

#3C6DBD

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4072bf;
/* rgb */ color: rgb(64, 114, 191);
/* oklch */ color: oklch(55.5% 0.132 258.8);

Tailwind

colors: {
  custom: {
    50: '#829ad3',
    500: '#4072bf',
    950: '#000000',
  },
}

SCSS

$custom: #4072bf;
$custom-light: #829ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4072bf",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 216.378,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.55507,
    "c": 0.13186,
    "h": 258.8
  },
  "luminance": 0.16886
}

Semantic roles & 50–950 ramp

primary

#4072BF

secondary

#CAB391

accent

#A34ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4072BF

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

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