#4172BC#4172BC

#4172BC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.127 H 258.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4172BC
RGB	rgb(65, 114, 188)
HSL	hsl(216, 49%, 50%)
HSV	hsv(216, 65%, 74%)
CMYK	cmyk(65.4%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(47.99, 7.38, -43.86)
CIE-LCH	lch(47.99, 44.48, 279.55°)
OKLab	oklab(55.37% -0.0255 -0.1248)
OKLCH	oklch(55.37% 0.127 258.4)
XYZ	xyz(17.2711, 16.7876, 49.8973)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4172BC #BC8B41

analogous

#41B0BC #4172BC #4E41BC

triadic

#4172BC #BC4172 #72BC41

tetradic

#4172BC #BC41B0 #BC8B41 #41BC4E

square

#4172BC #BC41B0 #BC8B41 #41BC4E

split-complementary

#4172BC #BC4E41 #B0BC41

monochromatic

#223B61 #31568F #4172BC #6E93CD #9BB5DC

Accessibility & contrast

On white

4.82

#4172BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4172BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4172BC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4172BC	#FFFFFF	#000000	##FFFFFF
##4172BC	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3F6DBA

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4172bc;
/* rgb */ color: rgb(65, 114, 188);
/* oklch */ color: oklch(55.4% 0.127 258.4);

Tailwind

colors: {
  custom: {
    50: '#829ad0',
    500: '#4172bc',
    950: '#000000',
  },
}

SCSS

$custom: #4172bc;
$custom-light: #829ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4172bc",
  "rgb": {
    "r": 65,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 216.098,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5537,
    "c": 0.1274,
    "h": 258.4
  },
  "luminance": 0.16789
}

Semantic roles & 50–950 ramp

primary

#4172BC

secondary

#C9B290

accent

#A250D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4172BC

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

Preview Lab → · Contrast checker → · Palette generator →