#4148BF#4148BF

#4148BF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.1% C 0.183 H 274.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#4148BF
RGB	rgb(65, 72, 191)
HSL	hsl(237, 50%, 50%)
HSV	hsv(237, 66%, 75%)
CMYK	cmyk(66%, 62.3%, 0%, 25.1%)
CIE-LAB	lab(36.96, 35.12, -63.38)
CIE-LCH	lch(36.96, 72.46, 298.99°)
OKLab	oklab(47.08% 0.0138 -0.1827)
OKLCH	oklch(47.08% 0.183 274.3)
XYZ	xyz(13.8982, 9.5189, 50.3850)
Luminance	0.0952 (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

#4148BF #BFB841

analogous

#4187BF #4148BF #7941BF

triadic

#4148BF #BF4148 #48BF41

tetradic

#4148BF #BF4187 #BFB841 #41BF79

square

#4148BF #BF4187 #BFB841 #41BF79

split-complementary

#4148BF #BF7941 #87BF41

monochromatic

#222564 #313692 #4148BF #6F74CE #9DA0DE

Accessibility & contrast

On white

7.23

#4148BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4148BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148BF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148BF	#FFFFFF	#000000	##FFFFFF
##4148BF	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC3

Deuteranopia (green-blind)

#0051BD

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4148bf;
/* rgb */ color: rgb(65, 72, 191);
/* oklch */ color: oklch(47.1% 0.183 274.3);

Tailwind

colors: {
  custom: {
    50: '#847bd3',
    500: '#4148bf',
    950: '#000000',
  },
}

SCSS

$custom: #4148bf;
$custom-light: #847bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4148bf",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 236.667,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47077,
    "c": 0.18323,
    "h": 274.3
  },
  "luminance": 0.0952
}

Semantic roles & 50–950 ramp

primary

#4148BF

secondary

#CAC792

accent

#D14FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4148BF

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

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