#4170D3#4170D3

#4170D3 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.161 H 263.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4170D3
RGB	rgb(65, 112, 211)
HSL	hsl(221, 62%, 54%)
HSV	hsv(221, 69%, 83%)
CMYK	cmyk(69.2%, 46.9%, 0%, 17.3%)
CIE-LAB	lab(48.78, 16.83, -55.80)
CIE-LCH	lch(48.78, 58.28, 286.79°)
OKLab	oklab(56.41% -0.0193 -0.1599)
OKLCH	oklch(56.41% 0.161 263.1)
XYZ	xyz(19.7279, 17.4133, 63.9368)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170D3 #D3A441

analogous

#41B9D3 #4170D3 #5B41D3

triadic

#4170D3 #D34170 #70D341

tetradic

#4170D3 #D341B9 #D3A441 #41D35B

square

#4170D3 #D341B9 #D3A441 #41D35B

split-complementary

#4170D3 #D35B41 #B9D341

monochromatic

#1D3C7D #2854AE #4170D3 #7395DF #A4BBEA

Accessibility & contrast

On white

4.68

#4170D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4170D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170D3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170D3	#FFFFFF	#000000	##FFFFFF
##4170D3	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7BD7

Deuteranopia (green-blind)

#1A6ED1

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4170d3;
/* rgb */ color: rgb(65, 112, 211);
/* oklch */ color: oklch(56.4% 0.161 263.1);

Tailwind

colors: {
  custom: {
    50: '#8698e1',
    500: '#4170d3',
    950: '#000000',
  },
}

SCSS

$custom: #4170d3;
$custom-light: #8698e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4170d3",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 211
  },
  "hsl": {
    "h": 220.685,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56411,
    "c": 0.16105,
    "h": 263.1
  },
  "luminance": 0.17415
}

Semantic roles & 50–950 ramp

primary

#4170D3

secondary

#D7C399

accent

#B142E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4170D3

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

Preview Lab → · Contrast checker → · Palette generator →