#4170BE#4170BE

#4170BE is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.132 H 260.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4170BE
RGB	rgb(65, 112, 190)
HSL	hsl(217, 49%, 50%)
HSV	hsv(217, 66%, 75%)
CMYK	cmyk(65.8%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(47.53, 9.33, -45.75)
CIE-LCH	lch(47.53, 46.69, 281.52°)
OKLab	oklab(55.05% -0.023 -0.1304)
OKLCH	oklch(55.05% 0.132 260)
XYZ	xyz(17.2651, 16.4282, 50.9663)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170BE #BE8F41

analogous

#41AFBE #4170BE #5041BE

triadic

#4170BE #BE4170 #70BE41

tetradic

#4170BE #BE41AF #BE8F41 #41BE50

square

#4170BE #BE41AF #BE8F41 #41BE50

split-complementary

#4170BE #BE5041 #AFBE41

monochromatic

#223A63 #315590 #4170BE #6F92CE #9CB5DD

Accessibility & contrast

On white

4.90

#4170BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4170BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170BE

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170BE	#FFFFFF	#000000	##FFFFFF
##4170BE	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C1

Deuteranopia (green-blind)

#396BBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4170be;
/* rgb */ color: rgb(65, 112, 190);
/* oklch */ color: oklch(55.0% 0.132 260.0);

Tailwind

colors: {
  custom: {
    50: '#8298d2',
    500: '#4170be',
    950: '#000000',
  },
}

SCSS

$custom: #4170be;
$custom-light: #8298d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4170be",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 217.44,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.55049,
    "c": 0.1324,
    "h": 260
  },
  "luminance": 0.1643
}

Semantic roles & 50–950 ramp

primary

#4170BE

secondary

#C9B491

accent

#A54FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4170BE

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

Preview Lab → · Contrast checker → · Palette generator →