#4148AC#4148AC

#4148AC is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.158 H 275.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#4148AC
RGB	rgb(65, 72, 172)
HSL	hsl(236, 45%, 46%)
HSV	hsv(236, 62%, 67%)
CMYK	cmyk(62.2%, 58.1%, 0%, 32.5%)
CIE-LAB	lab(35.47, 28.56, -54.59)
CIE-LCH	lch(35.47, 61.61, 297.62°)
OKLab	oklab(45.51% 0.0143 -0.1569)
OKLCH	oklch(45.51% 0.158 275.2)
XYZ	xyz(11.9413, 8.7361, 40.0787)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4148AC #ACA541

analogous

#417EAC #4148AC #7041AC

triadic

#4148AC #AC4148 #48AC41

tetradic

#4148AC #AC417E #ACA541 #41AC70

square

#4148AC #AC417E #ACA541 #41AC70

split-complementary

#4148AC #AC7041 #7EAC41

monochromatic

#1F2353 #303580 #4148AC #656CC5 #9296D6

Accessibility & contrast

On white

7.64

#4148AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4148AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148AC

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148AC	#FFFFFF	#000000	##FFFFFF
##4148AC	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AF

Deuteranopia (green-blind)

#004FAA

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4148ac;
/* rgb */ color: rgb(65, 72, 172);
/* oklch */ color: oklch(45.5% 0.158 275.2);

Tailwind

colors: {
  custom: {
    50: '#817bc5',
    500: '#4148ac',
    950: '#000000',
  },
}

SCSS

$custom: #4148ac;
$custom-light: #817bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4148ac",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 236.075,
    "s": 45.148,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45505,
    "c": 0.15754,
    "h": 275.2
  },
  "luminance": 0.08737
}

Semantic roles & 50–950 ramp

primary

#4148AC

secondary

#C1BD88

accent

#CC53D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4148AC

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

Preview Lab → · Contrast checker → · Palette generator →