#4170D5#4170D5

#4170D5 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.164 H 263.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4170D5
RGB	rgb(65, 112, 213)
HSL	hsl(221, 64%, 55%)
HSV	hsv(221, 69%, 84%)
CMYK	cmyk(69.5%, 47.4%, 0%, 16.5%)
CIE-LAB	lab(48.90, 17.55, -56.73)
CIE-LCH	lch(48.90, 59.38, 287.19°)
OKLab	oklab(56.55% -0.019 -0.1626)
OKLCH	oklch(56.55% 0.164 263.3)
XYZ	xyz(19.9801, 17.5142, 65.2655)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170D5 #D5A641

analogous

#41BAD5 #4170D5 #5C41D5

triadic

#4170D5 #D54170 #70D541

tetradic

#4170D5 #D541BA #D5A641 #41D55C

square

#4170D5 #D541BA #D5A641 #41D55C

split-complementary

#4170D5 #D55C41 #BAD541

monochromatic

#1C3C7F #2753B2 #4170D5 #7396E0 #A5BBEB

Accessibility & contrast

On white

4.66

#4170D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4170D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4170D5

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170D5	#FFFFFF	#000000	##FFFFFF
##4170D5	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7BD9

Deuteranopia (green-blind)

#146ED3

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4170d5;
/* rgb */ color: rgb(65, 112, 213);
/* oklch */ color: oklch(56.5% 0.164 263.3);

Tailwind

colors: {
  custom: {
    50: '#8698e2',
    500: '#4170d5',
    950: '#000000',
  },
}

SCSS

$custom: #4170d5;
$custom-light: #8698e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4170d5",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 213
  },
  "hsl": {
    "h": 220.946,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56546,
    "c": 0.16375,
    "h": 263.3
  },
  "luminance": 0.17516
}

Semantic roles & 50–950 ramp

primary

#4170D5

secondary

#D8C49A

accent

#B241E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4170D5

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

Preview Lab → · Contrast checker → · Palette generator →