#4040C0#4040C0

#4040C0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.194 H 275.5°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4040C0
RGB	rgb(64, 64, 192)
HSL	hsl(240, 50%, 50%)
HSV	hsv(240, 67%, 75%)
CMYK	cmyk(66.7%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(35.13, 40.24, -66.97)
CIE-LCH	lch(35.13, 78.13, 301.00°)
OKLab	oklab(45.74% 0.0187 -0.1933)
OKLCH	oklch(45.74% 0.194 275.5)
XYZ	xyz(13.4590, 8.5614, 50.8022)
Luminance	0.0856 (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

#4040C0 #C0C040

analogous

#4080C0 #4040C0 #8040C0

triadic

#4040C0 #C04040 #40C040

tetradic

#4040C0 #C04080 #C0C040 #40C080

square

#4040C0 #C04080 #C0C040 #40C080

split-complementary

#4040C0 #C08040 #80C040

monochromatic

#212164 #303092 #4040C0 #6E6ECF #9C9CDE

Accessibility & contrast

On white

7.74

#4040C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4040C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040C0

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040C0	#FFFFFF	#000000	##FFFFFF
##4040C0	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C4

Deuteranopia (green-blind)

#004DBE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4040c0;
/* rgb */ color: rgb(64, 64, 192);
/* oklch */ color: oklch(45.7% 0.194 275.5);

Tailwind

colors: {
  custom: {
    50: '#8575d4',
    500: '#4040c0',
    950: '#000000',
  },
}

SCSS

$custom: #4040c0;
$custom-light: #8575d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4040c0",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 240,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45743,
    "c": 0.19422,
    "h": 275.5
  },
  "luminance": 0.08563
}

Semantic roles & 50–950 ramp

primary

#4040C0

secondary

#CBCB91

accent

#DA4EDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4040C0

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

Preview Lab → · Contrast checker → · Palette generator →