#4148DA#4148DA

#4148DA is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.5% C 0.218 H 273.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4148DA
RGB	rgb(65, 72, 218)
HSL	hsl(237, 67%, 55%)
HSV	hsv(237, 70%, 85%)
CMYK	cmyk(70.2%, 67%, 0%, 14.5%)
CIE-LAB	lab(39.27, 44.28, -75.24)
CIE-LCH	lch(39.27, 87.30, 300.48°)
OKLab	oklab(49.47% 0.0117 -0.2174)
OKLCH	oklch(49.47% 0.218 273.1)
XYZ	xyz(17.1480, 10.8188, 67.5006)
Luminance	0.1082 (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

#4148DA #DAD341

analogous

#4194DA #4148DA #8641DA

triadic

#4148DA #DA4148 #48DA41

tetradic

#4148DA #DA4194 #DAD341 #41DA86

square

#4148DA #DA4194 #DAD341 #41DA86

split-complementary

#4148DA #DA8641 #94DA41

monochromatic

#1A1F86 #242BBA #4148DA #7479E4 #A7ABEE

Accessibility & contrast

On white

6.64

#4148DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4148DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4148DA

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148DA	#FFFFFF	#000000	##FFFFFF
##4148DA	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DF

Deuteranopia (green-blind)

#0055D7

Tritanopia (blue-blind)

#006F8B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4148da;
/* rgb */ color: rgb(65, 72, 218);
/* oklch */ color: oklch(49.5% 0.218 273.1);

Tailwind

colors: {
  custom: {
    50: '#8a7be7',
    500: '#4148da',
    950: '#000000',
  },
}

SCSS

$custom: #4148da;
$custom-light: #8a7be7;
$custom-dark: #000000;

JSON

{
  "hex": "#4148da",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 218
  },
  "hsl": {
    "h": 237.255,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49472,
    "c": 0.21777,
    "h": 273.1
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary

#4148DA

secondary

#DBD89C

accent

#E23EEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4148DA

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

Preview Lab → · Contrast checker → · Palette generator →