#4036B7#4036B7

#4036B7 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.3% C 0.194 H 278.0°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#4036B7
RGB	rgb(64, 54, 183)
HSL	hsl(245, 54%, 46%)
HSV	hsv(245, 70%, 72%)
CMYK	cmyk(65%, 70.5%, 0%, 28.2%)
CIE-LAB	lab(32.14, 43.19, -66.57)
CIE-LCH	lch(32.14, 79.36, 302.97°)
OKLab	oklab(43.34% 0.027 -0.1921)
OKLCH	oklch(43.34% 0.194 278)
XYZ	xyz(11.9780, 7.1462, 45.5387)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4036B7 #ADB736

analogous

#366DB7 #4036B7 #8136B7

triadic

#4036B7 #B74036 #36B740

tetradic

#4036B7 #B7366D #ADB736 #36B781

square

#4036B7 #B7366D #ADB736 #36B781

split-complementary

#4036B7 #B78136 #6DB736

monochromatic

#1F1A58 #2F2888 #4036B7 #645BCF #918BDD

Accessibility & contrast

On white

8.64

#4036B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4036B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036B7

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036B7	#FFFFFF	#000000	##FFFFFF
##4036B7	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0046B5

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4036b7;
/* rgb */ color: rgb(64, 54, 183);
/* oklch */ color: oklch(43.3% 0.194 278.0);

Tailwind

colors: {
  custom: {
    50: '#846ece',
    500: '#4036b7',
    950: '#000000',
  },
}

SCSS

$custom: #4036b7;
$custom-light: #846ece;
$custom-dark: #000000;

JSON

{
  "hex": "#4036b7",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 183
  },
  "hsl": {
    "h": 244.651,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4334,
    "c": 0.19404,
    "h": 278
  },
  "luminance": 0.07147
}

Semantic roles & 50–950 ramp

primary

#4036B7

secondary

#C2C782

accent

#DE4AD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4036B7

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

Preview Lab → · Contrast checker → · Palette generator →