#4171DC#4171DC

#4171DC is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.172 H 263.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4171DC
RGB	rgb(65, 113, 220)
HSL	hsl(221, 69%, 56%)
HSV	hsv(221, 70%, 86%)
CMYK	cmyk(70.5%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(49.62, 19.44, -59.55)
CIE-LCH	lch(49.62, 62.64, 288.08°)
OKLab	oklab(57.24% -0.0189 -0.1709)
OKLCH	oklch(57.24% 0.172 263.7)
XYZ	xyz(20.9988, 18.0992, 70.0831)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4171DC #DCAC41

analogous

#41BFDC #4171DC #5E41DC

triadic

#4171DC #DC4171 #71DC41

tetradic

#4171DC #DC41BF #DCAC41 #41DC5E

square

#4171DC #DC41BF #DCAC41 #41DC5E

split-complementary

#4171DC #DC5E41 #BFDC41

monochromatic

#193C89 #2353BD #4171DC #7598E6 #A8BEEF

Accessibility & contrast

On white

4.55

#4171DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4171DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4171DC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4171DC	#FFFFFF	#000000	##000000
##4171DC	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357EE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4171dc;
/* rgb */ color: rgb(65, 113, 220);
/* oklch */ color: oklch(57.2% 0.172 263.7);

Tailwind

colors: {
  custom: {
    50: '#8899e7',
    500: '#4171dc',
    950: '#000000',
  },
}

SCSS

$custom: #4171dc;
$custom-light: #8899e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4171dc",
  "rgb": {
    "r": 65,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 221.419,
    "s": 68.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57235,
    "c": 0.17196,
    "h": 263.7
  },
  "luminance": 0.18101
}

Semantic roles & 50–950 ramp

primary

#4171DC

secondary

#DDC99C

accent

#B53CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4171DC

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

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