#4170CF#4170CF

#4170CF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.156 H 262.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4170CF
RGB	rgb(65, 112, 207)
HSL	hsl(220, 60%, 53%)
HSV	hsv(220, 69%, 81%)
CMYK	cmyk(68.6%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.53, 15.39, -53.91)
CIE-LCH	lch(48.53, 56.07, 285.94°)
OKLab	oklab(56.14% -0.0199 -0.1543)
OKLCH	oklch(56.14% 0.156 262.7)
XYZ	xyz(19.2326, 17.2152, 61.3287)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170CF #CFA041

analogous

#41B7CF #4170CF #5941CF

triadic

#4170CF #CF4170 #70CF41

tetradic

#4170CF #CF41B7 #CFA041 #41CF59

square

#4170CF #CF41B7 #CFA041 #41CF59

split-complementary

#4170CF #CF5941 #B7CF41

monochromatic

#1E3C77 #2B54A8 #4170CF #7295DB #A3BAE8

Accessibility & contrast

On white

4.73

#4170CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#4170CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170CF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170CF	#FFFFFF	#000000	##FFFFFF
##4170CF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#407AD3

Deuteranopia (green-blind)

#236DCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4170cf;
/* rgb */ color: rgb(65, 112, 207);
/* oklch */ color: oklch(56.1% 0.156 262.7);

Tailwind

colors: {
  custom: {
    50: '#8598de',
    500: '#4170cf',
    950: '#000000',
  },
}

SCSS

$custom: #4170cf;
$custom-light: #8598de;
$custom-dark: #000000;

JSON

{
  "hex": "#4170cf",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 220.141,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56142,
    "c": 0.15563,
    "h": 262.7
  },
  "luminance": 0.17217
}

Semantic roles & 50–950 ramp

primary

#4170CF

secondary

#D4C097

accent

#AF45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4170CF

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

Preview Lab → · Contrast checker → · Palette generator →