#4148C0#4148C0

#4148C0 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.2% C 0.185 H 274.3°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4148C0
RGB	rgb(65, 72, 192)
HSL	hsl(237, 50%, 50%)
HSV	hsv(237, 66%, 75%)
CMYK	cmyk(66.1%, 62.5%, 0%, 24.7%)
CIE-LAB	lab(37.05, 35.46, -63.83)
CIE-LCH	lch(37.05, 73.02, 299.06°)
OKLab	oklab(47.16% 0.0138 -0.184)
OKLCH	oklch(47.16% 0.185 274.3)
XYZ	xyz(14.0086, 9.5631, 50.9666)
Luminance	0.0956 (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

#4148C0 #C0B941

analogous

#4187C0 #4148C0 #7941C0

triadic

#4148C0 #C04148 #48C041

tetradic

#4148C0 #C04187 #C0B941 #41C079

square

#4148C0 #C04187 #C0B941 #41C079

split-complementary

#4148C0 #C07941 #87C041

monochromatic

#222565 #313693 #4148C0 #6F74CF #9DA1DE

Accessibility & contrast

On white

7.21

#4148C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4148C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148C0

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148C0	#FFFFFF	#000000	##FFFFFF
##4148C0	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC4

Deuteranopia (green-blind)

#0052BE

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4148c0;
/* rgb */ color: rgb(65, 72, 192);
/* oklch */ color: oklch(47.2% 0.185 274.3);

Tailwind

colors: {
  custom: {
    50: '#857bd4',
    500: '#4148c0',
    950: '#000000',
  },
}

SCSS

$custom: #4148c0;
$custom-light: #857bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4148c0",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 192
  },
  "hsl": {
    "h": 236.693,
    "s": 50.198,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47162,
    "c": 0.18455,
    "h": 274.3
  },
  "luminance": 0.09564
}

Semantic roles & 50–950 ramp

primary

#4148C0

secondary

#CBC892

accent

#D24EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4148C0

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

Preview Lab → · Contrast checker → · Palette generator →