#4239A2#4239A2

#4239A2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.163 H 280.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#4239A2
RGB	rgb(66, 57, 162)
HSL	hsl(245, 48%, 43%)
HSV	hsv(245, 65%, 64%)
CMYK	cmyk(59.3%, 64.8%, 0%, 36.5%)
CIE-LAB	lab(31.10, 34.83, -55.71)
CIE-LCH	lch(31.10, 65.70, 302.02°)
OKLab	oklab(42.06% 0.03 -0.1602)
OKLCH	oklch(42.06% 0.163 280.6)
XYZ	xyz(10.2294, 6.6924, 34.9281)
Luminance	0.0669 (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

#4239A2 #99A239

analogous

#3964A2 #4239A2 #7639A2

triadic

#4239A2 #A24239 #39A242

tetradic

#4239A2 #A23964 #99A239 #39A276

square

#4239A2 #A23964 #99A239 #39A276

split-complementary

#4239A2 #A27639 #64A239

monochromatic

#1D1947 #302975 #4239A2 #5E55C3 #8982D3

Accessibility & contrast

On white

8.98

#4239A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#4239A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4239A2

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4239A2	#FFFFFF	#000000	##FFFFFF
##4239A2	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0045A0

Tritanopia (blue-blind)

#025368

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4239a2;
/* rgb */ color: rgb(66, 57, 162);
/* oklch */ color: oklch(42.1% 0.163 280.6);

Tailwind

colors: {
  custom: {
    50: '#8170be',
    500: '#4239a2',
    950: '#000000',
  },
}

SCSS

$custom: #4239a2;
$custom-light: #8170be;
$custom-dark: #000000;

JSON

{
  "hex": "#4239a2",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 162
  },
  "hsl": {
    "h": 245.143,
    "s": 47.945,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42057,
    "c": 0.16304,
    "h": 280.6
  },
  "luminance": 0.06693
}

Semantic roles & 50–950 ramp

primary

#4239A2

secondary

#B7BD7A

accent

#D850CC

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4239A2

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

Preview Lab → · Contrast checker → · Palette generator →