#4249CC#4249CC

#4249CC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.4% C 0.199 H 273.9°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#4249CC
RGB	rgb(66, 73, 204)
HSL	hsl(237, 58%, 53%)
HSV	hsv(237, 68%, 80%)
CMYK	cmyk(67.6%, 64.2%, 0%, 20%)
CIE-LAB	lab(38.34, 39.08, -68.69)
CIE-LCH	lch(38.34, 79.03, 299.64°)
OKLab	oklab(48.44% 0.0134 -0.1983)
OKLCH	oklch(48.44% 0.199 273.9)
XYZ	xyz(15.5248, 10.2815, 58.2814)
Luminance	0.1028 (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

#4249CC #CCC542

analogous

#428ECC #4249CC #8042CC

triadic

#4249CC #CC4249 #49CC42

tetradic

#4249CC #CC428E #CCC542 #42CC80

square

#4249CC #CC428E #CCC542 #42CC80

split-complementary

#4249CC #CC8042 #8ECC42

monochromatic

#1F2474 #2C32A4 #4249CC #7277D9 #A2A6E6

Accessibility & contrast

On white

6.87

#4249CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4249CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4249CC

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4249CC	#FFFFFF	#000000	##FFFFFF
##4249CC	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D0

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4249cc;
/* rgb */ color: rgb(66, 73, 204);
/* oklch */ color: oklch(48.4% 0.199 273.9);

Tailwind

colors: {
  custom: {
    50: '#877cdd',
    500: '#4249cc',
    950: '#000000',
  },
}

SCSS

$custom: #4249cc;
$custom-light: #877cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4249cc",
  "rgb": {
    "r": 66,
    "g": 73,
    "b": 204
  },
  "hsl": {
    "h": 236.957,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48438,
    "c": 0.19872,
    "h": 273.9
  },
  "luminance": 0.10283
}

Semantic roles & 50–950 ramp

primary

#4249CC

secondary

#D3D097

accent

#D947E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4249CC

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

Preview Lab → · Contrast checker → · Palette generator →