#4170BD#4170BD

#4170BD is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.131 H 259.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4170BD
RGB	rgb(65, 112, 189)
HSL	hsl(217, 49%, 50%)
HSV	hsv(217, 66%, 74%)
CMYK	cmyk(65.6%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.48, 8.97, -45.26)
CIE-LCH	lch(47.48, 46.14, 281.21°)
OKLab	oklab(54.99% -0.0233 -0.1289)
OKLCH	oklch(54.99% 0.131 259.8)
XYZ	xyz(17.1562, 16.3846, 50.3927)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170BD #BD8E41

analogous

#41AEBD #4170BD #5041BD

triadic

#4170BD #BD4170 #70BD41

tetradic

#4170BD #BD41AE #BD8E41 #41BD50

square

#4170BD #BD41AE #BD8E41 #41BD50

split-complementary

#4170BD #BD5041 #AEBD41

monochromatic

#223A62 #31558F #4170BD #6E92CD #9CB4DD

Accessibility & contrast

On white

4.91

#4170BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#4170BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170BD

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170BD	#FFFFFF	#000000	##FFFFFF
##4170BD	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C0

Deuteranopia (green-blind)

#3A6BBB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4170bd;
/* rgb */ color: rgb(65, 112, 189);
/* oklch */ color: oklch(55.0% 0.131 259.8);

Tailwind

colors: {
  custom: {
    50: '#8298d1',
    500: '#4170bd',
    950: '#000000',
  },
}

SCSS

$custom: #4170bd;
$custom-light: #8298d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4170bd",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 217.258,
    "s": 48.819,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54988,
    "c": 0.13102,
    "h": 259.8
  },
  "luminance": 0.16386
}

Semantic roles & 50–950 ramp

primary

#4170BD

secondary

#C9B491

accent

#A44FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4170BD

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

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