#4159BB#4159BB

#4159BB is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.156 H 269.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4159BB
RGB	rgb(65, 89, 187)
HSL	hsl(228, 48%, 49%)
HSV	hsv(228, 65%, 73%)
CMYK	cmyk(65.2%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.98, 22.88, -54.51)
CIE-LCH	lch(40.98, 59.12, 292.77°)
OKLab	oklab(49.98% -0.0011 -0.1564)
OKLCH	oklch(49.98% 0.156 269.6)
XYZ	xyz(14.7189, 11.8551, 48.5167)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159BB #BBA341

analogous

#4196BB #4159BB #6641BB

triadic

#4159BB #BB4159 #59BB41

tetradic

#4159BB #BB4196 #BBA341 #41BB66

square

#4159BB #BB4196 #BBA341 #41BB66

split-complementary

#4159BB #BB6641 #96BB41

monochromatic

#212E60 #31438E #4159BB #6D80CC #9AA7DC

Accessibility & contrast

On white

6.23

#4159BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4159BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159BB

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159BB	#FFFFFF	#000000	##FFFFFF
##4159BB	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C66BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4159bb;
/* rgb */ color: rgb(65, 89, 187);
/* oklch */ color: oklch(50.0% 0.156 269.6);

Tailwind

colors: {
  custom: {
    50: '#8387d0',
    500: '#4159bb',
    950: '#000000',
  },
}

SCSS

$custom: #4159bb;
$custom-light: #8387d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4159bb",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 228.197,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49979,
    "c": 0.15645,
    "h": 269.6
  },
  "luminance": 0.11856
}

Semantic roles & 50–950 ramp

primary

#4159BB

secondary

#C8BD90

accent

#BD50D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4159BB

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

Preview Lab → · Contrast checker → · Palette generator →