#4245D0#4245D0

#4245D0 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.1% C 0.208 H 274.4°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4245D0
RGB	rgb(66, 69, 208)
HSL	hsl(239, 60%, 54%)
HSV	hsv(239, 68%, 82%)
CMYK	cmyk(68.3%, 66.8%, 0%, 18.4%)
CIE-LAB	lab(37.78, 42.84, -71.92)
CIE-LCH	lch(37.78, 83.72, 300.78°)
OKLab	oklab(48.14% 0.0158 -0.2077)
OKLCH	oklch(48.14% 0.208 274.4)
XYZ	xyz(15.7563, 9.9671, 60.7558)
Luminance	0.0997 (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

#4245D0 #D0CD42

analogous

#428CD0 #4245D0 #8642D0

triadic

#4245D0 #D04245 #45D042

tetradic

#4245D0 #D0428C #D0CD42 #42D086

square

#4245D0 #D0428C #D0CD42 #42D086

split-complementary

#4245D0 #D08642 #8CD042

monochromatic

#1E2079 #2A2DAA #4245D0 #7375DC #A4A5E8

Accessibility & contrast

On white

7.01

#4245D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4245D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245D0

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245D0	#FFFFFF	#000000	##FFFFFF
##4245D0	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD4

Deuteranopia (green-blind)

#0052CD

Tritanopia (blue-blind)

#006A85

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4245d0;
/* rgb */ color: rgb(66, 69, 208);
/* oklch */ color: oklch(48.1% 0.208 274.4);

Tailwind

colors: {
  custom: {
    50: '#8979e0',
    500: '#4245d0',
    950: '#000000',
  },
}

SCSS

$custom: #4245d0;
$custom-light: #8979e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4245d0",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 208
  },
  "hsl": {
    "h": 238.732,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48137,
    "c": 0.20835,
    "h": 274.4
  },
  "luminance": 0.09969
}

Semantic roles & 50–950 ramp

primary

#4245D0

secondary

#D5D499

accent

#E044E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245D0

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

Preview Lab → · Contrast checker → · Palette generator →