#4170BA#4170BA

#4170BA is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.8% C 0.127 H 259.1°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4170BA
RGB	rgb(65, 112, 186)
HSL	hsl(217, 48%, 49%)
HSV	hsv(217, 65%, 73%)
CMYK	cmyk(65.1%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(47.31, 7.91, -43.79)
CIE-LCH	lch(47.31, 44.50, 280.24°)
OKLab	oklab(54.8% -0.0239 -0.1246)
OKLCH	oklch(54.8% 0.127 259.1)
XYZ	xyz(16.8339, 16.2557, 48.6954)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170BA #BA8B41

analogous

#41ADBA #4170BA #4F41BA

triadic

#4170BA #BA4170 #70BA41

tetradic

#4170BA #BA41AD #BA8B41 #41BA4F

square

#4170BA #BA41AD #BA8B41 #41BA4F

split-complementary

#4170BA #BA4F41 #ADBA41

monochromatic

#21395F #31558D #4170BA #6C91CC #9AB3DC

Accessibility & contrast

On white

4.94

#4170BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#4170BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4170BA

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170BA	#FFFFFF	#000000	##FFFFFF
##4170BA	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F76BD

Deuteranopia (green-blind)

#3D6BB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4170ba;
/* rgb */ color: rgb(65, 112, 186);
/* oklch */ color: oklch(54.8% 0.127 259.1);

Tailwind

colors: {
  custom: {
    50: '#8298cf',
    500: '#4170ba',
    950: '#000000',
  },
}

SCSS

$custom: #4170ba;
$custom-light: #8298cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4170ba",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 216.694,
    "s": 48.207,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54804,
    "c": 0.12691,
    "h": 259.1
  },
  "luminance": 0.16257
}

Semantic roles & 50–950 ramp

primary

#4170BA

secondary

#C8B28F

accent

#A350D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #4170BA

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

Preview Lab → · Contrast checker → · Palette generator →