#4036B5#4036B5

#4036B5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.192 H 278.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#4036B5
RGB	rgb(64, 54, 181)
HSL	hsl(245, 54%, 46%)
HSV	hsv(245, 70%, 71%)
CMYK	cmyk(64.6%, 70.2%, 0%, 29%)
CIE-LAB	lab(31.95, 42.54, -65.69)
CIE-LCH	lch(31.95, 78.26, 302.93°)
OKLab	oklab(43.15% 0.0274 -0.1896)
OKLCH	oklch(43.15% 0.192 278.2)
XYZ	xyz(11.7713, 7.0636, 44.4502)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4036B5 #ABB536

analogous

#366BB5 #4036B5 #7F36B5

triadic

#4036B5 #B54036 #36B540

tetradic

#4036B5 #B5366B #ABB536 #36B57F

square

#4036B5 #B5366B #ABB536 #36B57F

split-complementary

#4036B5 #B57F36 #6BB536

monochromatic

#1F1A57 #2F2886 #4036B5 #635ACE #9089DC

Accessibility & contrast

On white

8.70

#4036B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4036B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036B5

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036B5	#FFFFFF	#000000	##FFFFFF
##4036B5	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4036b5;
/* rgb */ color: rgb(64, 54, 181);
/* oklch */ color: oklch(43.1% 0.192 278.2);

Tailwind

colors: {
  custom: {
    50: '#836ecc',
    500: '#4036b5',
    950: '#000000',
  },
}

SCSS

$custom: #4036b5;
$custom-light: #836ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#4036b5",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 181
  },
  "hsl": {
    "h": 244.724,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4315,
    "c": 0.19154,
    "h": 278.2
  },
  "luminance": 0.07065
}

Semantic roles & 50–950 ramp

primary

#4036B5

secondary

#C1C681

accent

#DD4AD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4036B5

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

Preview Lab → · Contrast checker → · Palette generator →