#4245CD#4245CD

#4245CD is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 47.9% C 0.205 H 274.5°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4245CD
RGB	rgb(66, 69, 205)
HSL	hsl(239, 58%, 53%)
HSV	hsv(239, 68%, 80%)
CMYK	cmyk(67.8%, 66.3%, 0%, 19.6%)
CIE-LAB	lab(37.52, 41.84, -70.62)
CIE-LCH	lch(37.52, 82.09, 300.65°)
OKLab	oklab(47.86% 0.0162 -0.2039)
OKLCH	oklch(47.86% 0.205 274.5)
XYZ	xyz(15.3907, 9.8209, 58.8303)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4245CD #CDCA42

analogous

#428ACD #4245CD #8442CD

triadic

#4245CD #CD4245 #45CD42

tetradic

#4245CD #CD428A #CDCA42 #42CD84

square

#4245CD #CD428A #CDCA42 #42CD84

split-complementary

#4245CD #CD8442 #8ACD42

monochromatic

#1F2176 #2C2FA6 #4245CD #7275DA #A3A4E7

Accessibility & contrast

On white

7.08

#4245CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4245CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245CD

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245CD	#FFFFFF	#000000	##FFFFFF
##4245CD	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD1

Deuteranopia (green-blind)

#0052CA

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4245cd;
/* rgb */ color: rgb(66, 69, 205);
/* oklch */ color: oklch(47.9% 0.205 274.5);

Tailwind

colors: {
  custom: {
    50: '#8879dd',
    500: '#4245cd',
    950: '#000000',
  },
}

SCSS

$custom: #4245cd;
$custom-light: #8879dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4245cd",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 205
  },
  "hsl": {
    "h": 238.705,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47864,
    "c": 0.20458,
    "h": 274.5
  },
  "luminance": 0.09822
}

Semantic roles & 50–950 ramp

primary

#4245CD

secondary

#D3D297

accent

#DE46E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245CD

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

Preview Lab → · Contrast checker → · Palette generator →