#4049CC#4049CC

#4049CC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.3% C 0.199 H 273.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4049CC
RGB	rgb(64, 73, 204)
HSL	hsl(236, 58%, 53%)
HSV	hsv(236, 69%, 80%)
CMYK	cmyk(68.6%, 64.2%, 0%, 20%)
CIE-LAB	lab(38.22, 38.82, -68.89)
CIE-LCH	lch(38.22, 79.08, 299.40°)
OKLab	oklab(48.32% 0.0112 -0.1989)
OKLCH	oklch(48.32% 0.199 273.2)
XYZ	xyz(15.3923, 10.2133, 58.2752)
Luminance	0.1022 (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

#4049CC #CCC340

analogous

#408FCC #4049CC #7D40CC

triadic

#4049CC #CC4049 #49CC40

tetradic

#4049CC #CC408F #CCC340 #40CC7D

square

#4049CC #CC408F #CCC340 #40CC7D

split-complementary

#4049CC #CC7D40 #8FCC40

monochromatic

#1F2473 #2C33A3 #4049CC #7077D9 #A1A5E6

Accessibility & contrast

On white

6.90

#4049CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4049CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4049CC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049CC	#FFFFFF	#000000	##FFFFFF
##4049CC	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D0

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4049cc;
/* rgb */ color: rgb(64, 73, 204);
/* oklch */ color: oklch(48.3% 0.199 273.2);

Tailwind

colors: {
  custom: {
    50: '#877cdd',
    500: '#4049cc',
    950: '#000000',
  },
}

SCSS

$custom: #4049cc;
$custom-light: #877cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4049cc",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 204
  },
  "hsl": {
    "h": 236.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48318,
    "c": 0.19922,
    "h": 273.2
  },
  "luminance": 0.10215
}

Semantic roles & 50–950 ramp

primary

#4049CC

secondary

#D2CE95

accent

#D747E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4049CC

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

Preview Lab → · Contrast checker → · Palette generator →