#4137BF#4137BF

#4137BF is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.3% C 0.203 H 277.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#4137BF
RGB	rgb(65, 55, 191)
HSL	hsl(244, 55%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(66%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(33.17, 45.32, -69.59)
CIE-LCH	lch(33.17, 83.05, 303.07°)
OKLab	oklab(44.33% 0.0263 -0.2009)
OKLCH	oklch(44.33% 0.203 277.5)
XYZ	xyz(12.9471, 7.6167, 50.0680)
Luminance	0.0762 (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

#4137BF #B5BF37

analogous

#3771BF #4137BF #8537BF

triadic

#4137BF #BF4137 #37BF41

tetradic

#4137BF #BF3771 #B5BF37 #37BF85

square

#4137BF #BF3771 #B5BF37 #37BF85

split-complementary

#4137BF #BF8537 #71BF37

monochromatic

#211C60 #31298F #4137BF #6A62D2 #9791DF

Accessibility & contrast

On white

8.32

#4137BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4137BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137BF

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137BF	#FFFFFF	#000000	##FFFFFF
##4137BF	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4137bf;
/* rgb */ color: rgb(65, 55, 191);
/* oklch */ color: oklch(44.3% 0.203 277.5);

Tailwind

colors: {
  custom: {
    50: '#866fd3',
    500: '#4137bf',
    950: '#000000',
  },
}

SCSS

$custom: #4137bf;
$custom-light: #866fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4137bf",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 244.412,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44327,
    "c": 0.20266,
    "h": 277.5
  },
  "luminance": 0.07618
}

Semantic roles & 50–950 ramp

primary

#4137BF

secondary

#C5CA88

accent

#DF49D4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4137BF

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

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