#4172DF#4172DF

#4172DF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.6% C 0.175 H 263.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4172DF
RGB	rgb(65, 114, 223)
HSL	hsl(221, 71%, 56%)
HSV	hsv(221, 71%, 87%)
CMYK	cmyk(70.9%, 48.9%, 0%, 12.5%)
CIE-LAB	lab(50.08, 19.89, -60.50)
CIE-LCH	lch(50.08, 63.69, 288.20°)
OKLab	oklab(57.65% -0.0194 -0.1737)
OKLCH	oklch(57.65% 0.175 263.6)
XYZ	xyz(21.5119, 18.4839, 72.2318)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4172DF #DFAE41

analogous

#41C1DF #4172DF #5F41DF

triadic

#4172DF #DF4172 #72DF41

tetradic

#4172DF #DF41C1 #DFAE41 #41DF5F

square

#4172DF #DF41C1 #DFAE41 #41DF5F

split-complementary

#4172DF #DF5F41 #C1DF41

monochromatic

#183C8E #2153C2 #4172DF #7599E8 #AAC0F1

Accessibility & contrast

On white

4.47

#4172DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4172DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4172DF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4172DF	#FFFFFF	#000000	##000000
##4172DF	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347FE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4172df;
/* rgb */ color: rgb(65, 114, 223);
/* oklch */ color: oklch(57.6% 0.175 263.6);

Tailwind

colors: {
  custom: {
    50: '#8899ea',
    500: '#4172df',
    950: '#000000',
  },
}

SCSS

$custom: #4172df;
$custom-light: #8899ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4172df",
  "rgb": {
    "r": 65,
    "g": 114,
    "b": 223
  },
  "hsl": {
    "h": 221.392,
    "s": 71.171,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57649,
    "c": 0.17479,
    "h": 263.6
  },
  "luminance": 0.18486
}

Semantic roles & 50–950 ramp

primary

#4172DF

secondary

#DECA9D

accent

#B63AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4172DF

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

Preview Lab → · Contrast checker → · Palette generator →