#4372BB#4372BB

#4372BB is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.125 H 258.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4372BB
RGB	rgb(67, 114, 187)
HSL	hsl(217, 47%, 50%)
HSV	hsv(217, 64%, 73%)
CMYK	cmyk(64.2%, 39%, 0%, 26.7%)
CIE-LAB	lab(48.02, 7.38, -43.23)
CIE-LCH	lch(48.02, 43.85, 279.69°)
OKLab	oklab(55.4% -0.0241 -0.1229)
OKLCH	oklch(55.4% 0.125 258.9)
XYZ	xyz(17.2985, 16.8141, 49.3379)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4372BB #BB8C43

analogous

#43AEBB #4372BB #5043BB

triadic

#4372BB #BB4372 #72BB43

tetradic

#4372BB #BB43AE #BB8C43 #43BB50

square

#4372BB #BB43AE #BB8C43 #43BB50

split-complementary

#4372BB #BB5043 #AEBB43

monochromatic

#233B61 #33578E #4372BB #7094CC #9DB5DC

Accessibility & contrast

On white

4.81

#4372BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4372BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4372BB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4372BB	#FFFFFF	#000000	##FFFFFF
##4372BB	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BE

Deuteranopia (green-blind)

#416DB9

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4372bb;
/* rgb */ color: rgb(67, 114, 187);
/* oklch */ color: oklch(55.4% 0.125 258.9);

Tailwind

colors: {
  custom: {
    50: '#839ad0',
    500: '#4372bb',
    950: '#000000',
  },
}

SCSS

$custom: #4372bb;
$custom-light: #839ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4372bb",
  "rgb": {
    "r": 67,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 216.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55402,
    "c": 0.12526,
    "h": 258.9
  },
  "luminance": 0.16816
}

Semantic roles & 50–950 ramp

primary

#4372BB

secondary

#C8B392

accent

#A251D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4372BB

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

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