#4136BB#4136BB

#4136BB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.8% C 0.199 H 278.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#4136BB
RGB	rgb(65, 54, 187)
HSL	hsl(245, 55%, 47%)
HSV	hsv(245, 71%, 73%)
CMYK	cmyk(65.2%, 71.1%, 0%, 26.7%)
CIE-LAB	lab(32.59, 44.60, -68.19)
CIE-LCH	lch(32.59, 81.49, 303.19°)
OKLab	oklab(43.8% 0.0277 -0.1969)
OKLCH	oklch(43.8% 0.199 278)
XYZ	xyz(12.4659, 7.3490, 47.7656)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4136BB #B0BB36

analogous

#366EBB #4136BB #8336BB

triadic

#4136BB #BB4136 #36BB41

tetradic

#4136BB #BB366E #B0BB36 #36BB83

square

#4136BB #BB366E #B0BB36 #36BB83

split-complementary

#4136BB #BB8336 #6EBB36

monochromatic

#201B5C #30288C #4136BB #675ED0 #948DDE

Accessibility & contrast

On white

8.50

#4136BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4136BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4136BB

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4136BB	#FFFFFF	#000000	##FFFFFF
##4136BB	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4136bb;
/* rgb */ color: rgb(65, 54, 187);
/* oklch */ color: oklch(43.8% 0.199 278.0);

Tailwind

colors: {
  custom: {
    50: '#856fd1',
    500: '#4136bb',
    950: '#000000',
  },
}

SCSS

$custom: #4136bb;
$custom-light: #856fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4136bb",
  "rgb": {
    "r": 65,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 244.962,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43796,
    "c": 0.19879,
    "h": 278
  },
  "luminance": 0.0735
}

Semantic roles & 50–950 ramp

primary

#4136BB

secondary

#C3C984

accent

#DF49D2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4136BB

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

Preview Lab → · Contrast checker → · Palette generator →