#4039C2#4039C2

#4039C2 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.8% C 0.204 H 276.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#4039C2
RGB	rgb(64, 57, 194)
HSL	hsl(243, 55%, 49%)
HSV	hsv(243, 71%, 76%)
CMYK	cmyk(67%, 70.6%, 0%, 23.9%)
CIE-LAB	lab(33.80, 45.03, -70.33)
CIE-LCH	lch(33.80, 83.51, 302.63°)
OKLab	oklab(44.84% 0.0232 -0.2031)
OKLCH	oklch(44.84% 0.204 276.5)
XYZ	xyz(13.3119, 7.9101, 51.8538)
Luminance	0.0791 (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

#4039C2 #BBC239

analogous

#3977C2 #4039C2 #8539C2

triadic

#4039C2 #C24039 #39C240

tetradic

#4039C2 #C23977 #BBC239 #39C285

square

#4039C2 #C23977 #BBC239 #39C285

split-complementary

#4039C2 #C28539 #77C239

monochromatic

#211D63 #302B93 #4039C2 #6C66D2 #9995E0

Accessibility & contrast

On white

8.13

#4039C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4039C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4039C2

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4039C2	#FFFFFF	#000000	##FFFFFF
##4039C2	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4039c2;
/* rgb */ color: rgb(64, 57, 194);
/* oklch */ color: oklch(44.8% 0.204 276.5);

Tailwind

colors: {
  custom: {
    50: '#8671d6',
    500: '#4039c2',
    950: '#000000',
  },
}

SCSS

$custom: #4039c2;
$custom-light: #8671d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4039c2",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 194
  },
  "hsl": {
    "h": 243.066,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4484,
    "c": 0.20446,
    "h": 276.5
  },
  "luminance": 0.07911
}

Semantic roles & 50–950 ramp

primary

#4039C2

secondary

#C8CB8B

accent

#DE4AD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4039C2

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

Preview Lab → · Contrast checker → · Palette generator →