#4172DD#4172DD

#4172DD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.5% C 0.172 H 263.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4172DD
RGB	rgb(65, 114, 221)
HSL	hsl(221, 70%, 56%)
HSV	hsv(221, 71%, 87%)
CMYK	cmyk(70.6%, 48.4%, 0%, 13.3%)
CIE-LAB	lab(49.95, 19.17, -59.58)
CIE-LCH	lch(49.95, 62.59, 287.84°)
OKLab	oklab(57.51% -0.0196 -0.171)
OKLCH	oklch(57.51% 0.172 263.5)
XYZ	xyz(21.2438, 18.3767, 70.8201)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4172DD #DDAC41

analogous

#41C0DD #4172DD #5E41DD

triadic

#4172DD #DD4172 #72DD41

tetradic

#4172DD #DD41C0 #DDAC41 #41DD5E

square

#4172DD #DD41C0 #DDAC41 #41DD5E

split-complementary

#4172DD #DD5E41 #C0DD41

monochromatic

#193D8B #2253BF #4172DD #7599E6 #A9BFF0

Accessibility & contrast

On white

4.49

#4172DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4172DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4172DD

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4172DD	#FFFFFF	#000000	##000000
##4172DD	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#0070DB

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4172dd;
/* rgb */ color: rgb(65, 114, 221);
/* oklch */ color: oklch(57.5% 0.172 263.5);

Tailwind

colors: {
  custom: {
    50: '#8899e8',
    500: '#4172dd',
    950: '#000000',
  },
}

SCSS

$custom: #4172dd;
$custom-light: #8899e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4172dd",
  "rgb": {
    "r": 65,
    "g": 114,
    "b": 221
  },
  "hsl": {
    "h": 221.154,
    "s": 69.643,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57511,
    "c": 0.17211,
    "h": 263.5
  },
  "luminance": 0.18379
}

Semantic roles & 50–950 ramp

primary

#4172DD

secondary

#DDC99D

accent

#B53BEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4172DD

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

Preview Lab → · Contrast checker → · Palette generator →