#4159B5#4159B5

#4159B5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.148 H 269.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4159B5
RGB	rgb(65, 89, 181)
HSL	hsl(228, 47%, 48%)
HSV	hsv(228, 64%, 71%)
CMYK	cmyk(64.1%, 50.8%, 0%, 29%)
CIE-LAB	lab(40.58, 20.75, -51.65)
CIE-LCH	lch(40.58, 55.66, 291.89°)
OKLab	oklab(49.54% -0.0016 -0.148)
OKLCH	oklch(49.54% 0.148 269.4)
XYZ	xyz(14.0900, 11.6035, 45.2043)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159B5 #B59D41

analogous

#4193B5 #4159B5 #6341B5

triadic

#4159B5 #B54159 #59B541

tetradic

#4159B5 #B54193 #B59D41 #41B563

square

#4159B5 #B54193 #B59D41 #41B563

split-complementary

#4159B5 #B56341 #93B541

monochromatic

#212D5B #314388 #4159B5 #6A7EC9 #97A5DA

Accessibility & contrast

On white

6.32

#4159B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4159B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159B5

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159B5	#FFFFFF	#000000	##FFFFFF
##4159B5	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2565B8

Deuteranopia (green-blind)

#005BB3

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4159b5;
/* rgb */ color: rgb(65, 89, 181);
/* oklch */ color: oklch(49.5% 0.148 269.4);

Tailwind

colors: {
  custom: {
    50: '#8187cc',
    500: '#4159b5',
    950: '#000000',
  },
}

SCSS

$custom: #4159b5;
$custom-light: #8187cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4159b5",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 181
  },
  "hsl": {
    "h": 227.586,
    "s": 47.154,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49543,
    "c": 0.14805,
    "h": 269.4
  },
  "luminance": 0.11605
}

Semantic roles & 50–950 ramp

primary

#4159B5

secondary

#C5BA8C

accent

#BB51D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4159B5

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

Preview Lab → · Contrast checker → · Palette generator →