#4170CC#4170CC

#4170CC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.152 H 262.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4170CC
RGB	rgb(65, 112, 204)
HSL	hsl(220, 58%, 53%)
HSV	hsv(220, 68%, 80%)
CMYK	cmyk(68.1%, 45.1%, 0%, 20%)
CIE-LAB	lab(48.35, 14.32, -52.49)
CIE-LCH	lch(48.35, 54.41, 285.26°)
OKLab	oklab(55.94% -0.0204 -0.1502)
OKLCH	oklch(55.94% 0.152 262.3)
XYZ	xyz(18.8694, 17.0699, 59.4154)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170CC #CC9D41

analogous

#41B6CC #4170CC #5741CC

triadic

#4170CC #CC4170 #70CC41

tetradic

#4170CC #CC41B6 #CC9D41 #41CC57

square

#4170CC #CC41B6 #CC9D41 #41CC57

split-complementary

#4170CC #CC5741 #B6CC41

monochromatic

#1F3C74 #2C54A4 #4170CC #7194D9 #A1B9E6

Accessibility & contrast

On white

4.76

#4170CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4170CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170CC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170CC	#FFFFFF	#000000	##FFFFFF
##4170CC	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427ACF

Deuteranopia (green-blind)

#286DCA

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4170cc;
/* rgb */ color: rgb(65, 112, 204);
/* oklch */ color: oklch(55.9% 0.152 262.3);

Tailwind

colors: {
  custom: {
    50: '#8598dc',
    500: '#4170cc',
    950: '#000000',
  },
}

SCSS

$custom: #4170cc;
$custom-light: #8598dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4170cc",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 204
  },
  "hsl": {
    "h": 219.712,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55944,
    "c": 0.15155,
    "h": 262.3
  },
  "luminance": 0.17072
}

Semantic roles & 50–950 ramp

primary

#4170CC

secondary

#D3BE96

accent

#AD47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4170CC

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

Preview Lab → · Contrast checker → · Palette generator →