#4170DC#4170DC

#4170DC is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.173 H 264.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4170DC
RGB	rgb(65, 112, 220)
HSL	hsl(222, 69%, 56%)
HSV	hsv(222, 70%, 86%)
CMYK	cmyk(70.5%, 49.1%, 0%, 13.7%)
CIE-LAB	lab(49.35, 20.06, -59.98)
CIE-LCH	lch(49.35, 63.25, 288.49°)
OKLab	oklab(57.03% -0.018 -0.1722)
OKLCH	oklch(57.03% 0.173 264)
XYZ	xyz(20.8878, 17.8773, 70.0461)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170DC #DCAD41

analogous

#41BEDC #4170DC #5F41DC

triadic

#4170DC #DC4170 #70DC41

tetradic

#4170DC #DC41BE #DCAD41 #41DC5F

square

#4170DC #DC41BE #DCAD41 #41DC5F

split-complementary

#4170DC #DC5F41 #BEDC41

monochromatic

#193B89 #2352BD #4170DC #7597E6 #A8BEEF

Accessibility & contrast

On white

4.59

#4170DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4170DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4170DC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170DC	#FFFFFF	#000000	##FFFFFF
##4170DC	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4170dc;
/* rgb */ color: rgb(65, 112, 220);
/* oklch */ color: oklch(57.0% 0.173 264.0);

Tailwind

colors: {
  custom: {
    50: '#8898e7',
    500: '#4170dc',
    950: '#000000',
  },
}

SCSS

$custom: #4170dc;
$custom-light: #8898e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4170dc",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 220
  },
  "hsl": {
    "h": 221.806,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5703,
    "c": 0.17316,
    "h": 264
  },
  "luminance": 0.17879
}

Semantic roles & 50–950 ramp

primary

#4170DC

secondary

#DDC99C

accent

#B63CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4170DC

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

Preview Lab → · Contrast checker → · Palette generator →