#4072BB#4072BB

#4072BB is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.3% C 0.126 H 257.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4072BB
RGB	rgb(64, 114, 187)
HSL	hsl(216, 49%, 49%)
HSV	hsv(216, 66%, 73%)
CMYK	cmyk(65.8%, 39%, 0%, 26.7%)
CIE-LAB	lab(47.89, 6.85, -43.45)
CIE-LCH	lch(47.89, 43.98, 278.96°)
OKLab	oklab(55.26% -0.0265 -0.1236)
OKLCH	oklch(55.26% 0.126 257.9)
XYZ	xyz(17.0981, 16.7108, 49.3285)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072BB #BB8940

analogous

#40B0BB #4072BB #4C40BB

triadic

#4072BB #BB4072 #72BB40

tetradic

#4072BB #BB40B0 #BB8940 #40BB4C

square

#4072BB #BB40B0 #BB8940 #40BB4C

split-complementary

#4072BB #BB4C40 #B0BB40

monochromatic

#213A60 #30568D #4072BB #6C93CD #99B4DC

Accessibility & contrast

On white

4.84

#4072BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4072BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4072BB

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072BB	#FFFFFF	#000000	##FFFFFF
##4072BB	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BE

Deuteranopia (green-blind)

#3F6CBA

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4072bb;
/* rgb */ color: rgb(64, 114, 187);
/* oklch */ color: oklch(55.3% 0.126 257.9);

Tailwind

colors: {
  custom: {
    50: '#819ad0',
    500: '#4072bb',
    950: '#000000',
  },
}

SCSS

$custom: #4072bb;
$custom-light: #819ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4072bb",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 215.61,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55264,
    "c": 0.12642,
    "h": 257.9
  },
  "luminance": 0.16712
}

Semantic roles & 50–950 ramp

primary

#4072BB

secondary

#C8B18F

accent

#A14FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4072BB

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

Preview Lab → · Contrast checker → · Palette generator →