#4245D1#4245D1

#4245D1 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.2% C 0.210 H 274.3°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4245D1
RGB	rgb(66, 69, 209)
HSL	hsl(239, 61%, 54%)
HSV	hsv(239, 68%, 82%)
CMYK	cmyk(68.4%, 67%, 0%, 18%)
CIE-LAB	lab(37.87, 43.18, -72.36)
CIE-LCH	lch(37.87, 84.26, 300.83°)
OKLab	oklab(48.23% 0.0157 -0.209)
OKLCH	oklch(48.23% 0.21 274.3)
XYZ	xyz(15.8797, 10.0165, 61.4058)
Luminance	0.1002 (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

#4245D1 #D1CE42

analogous

#428DD1 #4245D1 #8742D1

triadic

#4245D1 #D14245 #45D142

tetradic

#4245D1 #D1428D #D1CE42 #42D187

square

#4245D1 #D1428D #D1CE42 #42D187

split-complementary

#4245D1 #D18742 #8DD142

monochromatic

#1E207B #2A2DAC #4245D1 #7375DD #A4A6E9

Accessibility & contrast

On white

6.99

#4245D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#4245D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4245D1

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245D1	#FFFFFF	#000000	##FFFFFF
##4245D1	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D5

Deuteranopia (green-blind)

#0053CE

Tritanopia (blue-blind)

#006A85

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4245d1;
/* rgb */ color: rgb(66, 69, 209);
/* oklch */ color: oklch(48.2% 0.210 274.3);

Tailwind

colors: {
  custom: {
    50: '#8979e0',
    500: '#4245d1',
    950: '#000000',
  },
}

SCSS

$custom: #4245d1;
$custom-light: #8979e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4245d1",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 209
  },
  "hsl": {
    "h": 238.741,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48228,
    "c": 0.2096,
    "h": 274.3
  },
  "luminance": 0.10018
}

Semantic roles & 50–950 ramp

primary

#4245D1

secondary

#D6D599

accent

#E144E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245D1

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

Preview Lab → · Contrast checker → · Palette generator →