#4036BB#4036BB

#4036BB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.7% C 0.199 H 277.6°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#4036BB
RGB	rgb(64, 54, 187)
HSL	hsl(245, 55%, 47%)
HSV	hsv(245, 71%, 73%)
CMYK	cmyk(65.8%, 71.1%, 0%, 26.7%)
CIE-LAB	lab(32.51, 44.48, -68.32)
CIE-LCH	lch(32.51, 81.52, 303.07°)
OKLab	oklab(43.72% 0.0264 -0.1972)
OKLCH	oklch(43.72% 0.199 277.6)
XYZ	xyz(12.4003, 7.3151, 47.7626)
Luminance	0.0732 (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

#4036BB #B1BB36

analogous

#366FBB #4036BB #8236BB

triadic

#4036BB #BB4036 #36BB40

tetradic

#4036BB #BB366F #B1BB36 #36BB82

square

#4036BB #BB366F #B1BB36 #36BB82

split-complementary

#4036BB #BB8236 #6FBB36

monochromatic

#1F1B5C #30288C #4036BB #665ED0 #938DDE

Accessibility & contrast

On white

8.53

#4036BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4036BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036BB

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036BB	#FFFFFF	#000000	##FFFFFF
##4036BB	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4036bb;
/* rgb */ color: rgb(64, 54, 187);
/* oklch */ color: oklch(43.7% 0.199 277.6);

Tailwind

colors: {
  custom: {
    50: '#856fd1',
    500: '#4036bb',
    950: '#000000',
  },
}

SCSS

$custom: #4036bb;
$custom-light: #856fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4036bb",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 244.511,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43723,
    "c": 0.199,
    "h": 277.6
  },
  "luminance": 0.07316
}

Semantic roles & 50–950 ramp

primary

#4036BB

secondary

#C3C984

accent

#DF49D3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4036BB

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

Preview Lab → · Contrast checker → · Palette generator →