#4049CF#4049CF

#4049CF is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.6% C 0.203 H 273.1°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#4049CF
RGB	rgb(64, 73, 207)
HSL	hsl(236, 60%, 53%)
HSV	hsv(236, 69%, 81%)
CMYK	cmyk(69.1%, 64.7%, 0%, 18.8%)
CIE-LAB	lab(38.48, 39.84, -70.21)
CIE-LCH	lch(38.48, 80.73, 299.57°)
OKLab	oklab(48.58% 0.011 -0.2028)
OKLCH	oklch(48.58% 0.203 273.1)
XYZ	xyz(15.7556, 10.3586, 60.1885)
Luminance	0.1036 (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

#4049CF #CFC640

analogous

#4090CF #4049CF #7E40CF

triadic

#4049CF #CF4049 #49CF40

tetradic

#4049CF #CF4090 #CFC640 #40CF7E

square

#4049CF #CF4090 #CFC640 #40CF7E

split-complementary

#4049CF #CF7E40 #90CF40

monochromatic

#1E2377 #2A32A8 #4049CF #7178DB #A2A6E8

Accessibility & contrast

On white

6.84

#4049CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4049CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4049CF

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049CF	#FFFFFF	#000000	##FFFFFF
##4049CF	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D3

Deuteranopia (green-blind)

#0054CC

Tritanopia (blue-blind)

#006C85

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4049cf;
/* rgb */ color: rgb(64, 73, 207);
/* oklch */ color: oklch(48.6% 0.203 273.1);

Tailwind

colors: {
  custom: {
    50: '#877cdf',
    500: '#4049cf',
    950: '#000000',
  },
}

SCSS

$custom: #4049cf;
$custom-light: #877cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4049cf",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 207
  },
  "hsl": {
    "h": 236.224,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48584,
    "c": 0.20307,
    "h": 273.1
  },
  "luminance": 0.1036
}

Semantic roles & 50–950 ramp

primary

#4049CF

secondary

#D4D097

accent

#D945E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4049CF

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

Preview Lab → · Contrast checker → · Palette generator →