#4372B8#4372B8

#4372B8 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.2% C 0.121 H 258.2°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4372B8
RGB	rgb(67, 114, 184)
HSL	hsl(216, 47%, 49%)
HSV	hsv(216, 64%, 72%)
CMYK	cmyk(63.6%, 38%, 0%, 27.8%)
CIE-LAB	lab(47.86, 6.33, -41.75)
CIE-LCH	lch(47.86, 42.23, 278.63°)
OKLab	oklab(55.22% -0.0248 -0.1186)
OKLCH	oklch(55.22% 0.121 258.2)
XYZ	xyz(16.9807, 16.6870, 47.6641)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4372B8 #B88943

analogous

#43ADB8 #4372B8 #4E43B8

triadic

#4372B8 #B84372 #72B843

tetradic

#4372B8 #B843AD #B88943 #43B84E

square

#4372B8 #B843AD #B88943 #43B84E

split-complementary

#4372B8 #B84E43 #ADB843

monochromatic

#223A5E #33568B #4372B8 #6E93CA #9BB4DB

Accessibility & contrast

On white

4.84

#4372B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4372B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4372B8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4372B8	#FFFFFF	#000000	##FFFFFF
##4372B8	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)

#5378BB

Deuteranopia (green-blind)

#436DB7

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4372b8;
/* rgb */ color: rgb(67, 114, 184);
/* oklch */ color: oklch(55.2% 0.121 258.2);

Tailwind

colors: {
  custom: {
    50: '#829acd',
    500: '#4372b8',
    950: '#000000',
  },
}

SCSS

$custom: #4372b8;
$custom-light: #829acd;
$custom-dark: #000000;

JSON

{
  "hex": "#4372b8",
  "rgb": {
    "r": 67,
    "g": 114,
    "b": 184
  },
  "hsl": {
    "h": 215.897,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.12115,
    "h": 258.2
  },
  "luminance": 0.16689
}

Semantic roles & 50–950 ramp

primary

#4372B8

secondary

#C7B190

accent

#A152D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4372B8

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

Preview Lab → · Contrast checker → · Palette generator →