#4139DA#4139DA

#4139DA is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.3% C 0.233 H 274.9°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#4139DA
RGB	rgb(65, 57, 218)
HSL	hsl(243, 69%, 54%)
HSV	hsv(243, 74%, 85%)
CMYK	cmyk(70.2%, 73.9%, 0%, 14.5%)
CIE-LAB	lab(36.20, 52.77, -80.30)
CIE-LCH	lch(36.20, 96.09, 303.31°)
OKLab	oklab(47.27% 0.0201 -0.2322)
OKLCH	oklch(47.27% 0.233 274.9)
XYZ	xyz(16.2938, 9.1105, 67.2159)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4139DA #D2DA39

analogous

#3982DA #4139DA #9239DA

triadic

#4139DA #DA4139 #39DA41

tetradic

#4139DA #DA3982 #D2DA39 #39DA92

square

#4139DA #DA3982 #D2DA39 #39DA92

split-complementary

#4139DA #DA9239 #82DA39

monochromatic

#1D1881 #2922B4 #4139DA #726DE4 #A4A0ED

Accessibility & contrast

On white

7.44

#4139DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4139DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4139DA

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4139DA	#FFFFFF	#000000	##FFFFFF
##4139DA	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDF

Deuteranopia (green-blind)

#004ED7

Tritanopia (blue-blind)

#006887

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4139da;
/* rgb */ color: rgb(65, 57, 218);
/* oklch */ color: oklch(47.3% 0.233 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b72e7',
    500: '#4139da',
    950: '#000000',
  },
}

SCSS

$custom: #4139da;
$custom-light: #8b72e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4139da",
  "rgb": {
    "r": 65,
    "g": 57,
    "b": 218
  },
  "hsl": {
    "h": 242.981,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47267,
    "c": 0.23307,
    "h": 274.9
  },
  "luminance": 0.09112
}

Semantic roles & 50–950 ramp

primary

#4139DA

secondary

#D6DA95

accent

#EB3CE3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4139DA

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

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