#4245CF#4245CF

#4245CF is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.0% C 0.207 H 274.4°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#4245CF
RGB	rgb(66, 69, 207)
HSL	hsl(239, 59%, 54%)
HSV	hsv(239, 68%, 81%)
CMYK	cmyk(68.1%, 66.7%, 0%, 18.8%)
CIE-LAB	lab(37.69, 42.51, -71.49)
CIE-LCH	lch(37.69, 83.18, 300.74°)
OKLab	oklab(48.05% 0.0159 -0.2065)
OKLCH	oklch(48.05% 0.207 274.4)
XYZ	xyz(15.6336, 9.9180, 60.1099)
Luminance	0.0992 (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

#4245CF #CFCC42

analogous

#428BCF #4245CF #8542CF

triadic

#4245CF #CF4245 #45CF42

tetradic

#4245CF #CF428B #CFCC42 #42CF85

square

#4245CF #CF428B #CFCC42 #42CF85

split-complementary

#4245CF #CF8542 #8BCF42

monochromatic

#1F2078 #2B2EA9 #4245CF #7375DB #A4A5E8

Accessibility & contrast

On white

7.04

#4245CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4245CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245CF

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245CF	#FFFFFF	#000000	##FFFFFF
##4245CF	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0052CC

Tritanopia (blue-blind)

#006A84

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4245cf;
/* rgb */ color: rgb(66, 69, 207);
/* oklch */ color: oklch(48.0% 0.207 274.4);

Tailwind

colors: {
  custom: {
    50: '#8879df',
    500: '#4245cf',
    950: '#000000',
  },
}

SCSS

$custom: #4245cf;
$custom-light: #8879df;
$custom-dark: #000000;

JSON

{
  "hex": "#4245cf",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 207
  },
  "hsl": {
    "h": 238.723,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48046,
    "c": 0.20709,
    "h": 274.4
  },
  "luminance": 0.09919
}

Semantic roles & 50–950 ramp

primary

#4245CF

secondary

#D5D398

accent

#DF45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245CF

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

Preview Lab → · Contrast checker → · Palette generator →