#4245CE#4245CE

#4245CE is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.0% C 0.206 H 274.5°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#4245CE
RGB	rgb(66, 69, 206)
HSL	hsl(239, 59%, 53%)
HSV	hsv(239, 68%, 81%)
CMYK	cmyk(68%, 66.5%, 0%, 19.2%)
CIE-LAB	lab(37.61, 42.18, -71.06)
CIE-LCH	lch(37.61, 82.63, 300.69°)
OKLab	oklab(47.96% 0.016 -0.2052)
OKLCH	oklch(47.96% 0.206 274.5)
XYZ	xyz(15.5118, 9.8693, 59.4681)
Luminance	0.0987 (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

#4245CE #CECB42

analogous

#428BCE #4245CE #8542CE

triadic

#4245CE #CE4245 #45CE42

tetradic

#4245CE #CE428B #CECB42 #42CE85

square

#4245CE #CE428B #CECB42 #42CE85

split-complementary

#4245CE #CE8542 #8BCE42

monochromatic

#1F2177 #2B2EA7 #4245CE #7375DB #A3A5E7

Accessibility & contrast

On white

7.06

#4245CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4245CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245CE

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245CE	#FFFFFF	#000000	##FFFFFF
##4245CE	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD2

Deuteranopia (green-blind)

#0052CB

Tritanopia (blue-blind)

#006984

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4245ce;
/* rgb */ color: rgb(66, 69, 206);
/* oklch */ color: oklch(48.0% 0.206 274.5);

Tailwind

colors: {
  custom: {
    50: '#8879de',
    500: '#4245ce',
    950: '#000000',
  },
}

SCSS

$custom: #4245ce;
$custom-light: #8879de;
$custom-dark: #000000;

JSON

{
  "hex": "#4245ce",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 206
  },
  "hsl": {
    "h": 238.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.47955,
    "c": 0.20584,
    "h": 274.5
  },
  "luminance": 0.09871
}

Semantic roles & 50–950 ramp

primary

#4245CE

secondary

#D4D398

accent

#DF46E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245CE

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

Preview Lab → · Contrast checker → · Palette generator →