#4170D8#4170D8

#4170D8 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.168 H 263.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4170D8
RGB	rgb(65, 112, 216)
HSL	hsl(221, 66%, 55%)
HSV	hsv(221, 70%, 85%)
CMYK	cmyk(69.9%, 48.1%, 0%, 15.3%)
CIE-LAB	lab(49.09, 18.63, -58.13)
CIE-LCH	lch(49.09, 61.04, 287.77°)
OKLab	oklab(56.75% -0.0186 -0.1668)
OKLCH	oklch(56.75% 0.168 263.6)
XYZ	xyz(20.3644, 17.6679, 67.2894)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170D8 #D8A941

analogous

#41BBD8 #4170D8 #5E41D8

triadic

#4170D8 #D84170 #70D841

tetradic

#4170D8 #D841BB #D8A941 #41D85E

square

#4170D8 #D841BB #D8A941 #41D85E

split-complementary

#4170D8 #D85E41 #BBD841

monochromatic

#1B3C84 #2553B6 #4170D8 #7496E2 #A7BCED

Accessibility & contrast

On white

4.63

#4170D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4170D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4170D8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170D8	#FFFFFF	#000000	##FFFFFF
##4170D8	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377CDC

Deuteranopia (green-blind)

#086ED6

Tritanopia (blue-blind)

#00889A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4170d8;
/* rgb */ color: rgb(65, 112, 216);
/* oklch */ color: oklch(56.8% 0.168 263.6);

Tailwind

colors: {
  custom: {
    50: '#8798e5',
    500: '#4170d8',
    950: '#000000',
  },
}

SCSS

$custom: #4170d8;
$custom-light: #8798e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4170d8",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 216
  },
  "hsl": {
    "h": 221.325,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56752,
    "c": 0.16779,
    "h": 263.6
  },
  "luminance": 0.1767
}

Semantic roles & 50–950 ramp

primary

#4170D8

secondary

#DAC69B

accent

#B43FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4170D8

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

Preview Lab → · Contrast checker → · Palette generator →