#4036B4#4036B4

#4036B4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.1% C 0.190 H 278.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#4036B4
RGB	rgb(64, 54, 180)
HSL	hsl(245, 54%, 46%)
HSV	hsv(245, 70%, 71%)
CMYK	cmyk(64.4%, 70%, 0%, 29.4%)
CIE-LAB	lab(31.86, 42.22, -65.25)
CIE-LCH	lch(31.86, 77.72, 302.90°)
OKLab	oklab(43.06% 0.0275 -0.1883)
OKLCH	oklch(43.06% 0.19 278.3)
XYZ	xyz(11.6691, 7.0227, 43.9117)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4036B4 #AAB436

analogous

#366BB4 #4036B4 #7F36B4

triadic

#4036B4 #B44036 #36B440

tetradic

#4036B4 #B4366B #AAB436 #36B47F

square

#4036B4 #B4366B #AAB436 #36B47F

split-complementary

#4036B4 #B47F36 #6BB436

monochromatic

#1F1A56 #2F2885 #4036B4 #635ACD #8F89DC

Accessibility & contrast

On white

8.73

#4036B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4036B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036B4

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036B4	#FFFFFF	#000000	##FFFFFF
##4036B4	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4036b4;
/* rgb */ color: rgb(64, 54, 180);
/* oklch */ color: oklch(43.1% 0.190 278.3);

Tailwind

colors: {
  custom: {
    50: '#836ecc',
    500: '#4036b4',
    950: '#000000',
  },
}

SCSS

$custom: #4036b4;
$custom-light: #836ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#4036b4",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 180
  },
  "hsl": {
    "h": 244.762,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43055,
    "c": 0.19028,
    "h": 278.3
  },
  "luminance": 0.07024
}

Semantic roles & 50–950 ramp

primary

#4036B4

secondary

#C0C680

accent

#DD4BD2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4036B4

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

Preview Lab → · Contrast checker → · Palette generator →