#4137D9#4137D9

#4137D9 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.9% C 0.234 H 275.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#4137D9
RGB	rgb(65, 55, 217)
HSL	hsl(244, 68%, 53%)
HSV	hsv(244, 75%, 85%)
CMYK	cmyk(70%, 74.7%, 0%, 14.9%)
CIE-LAB	lab(35.72, 53.52, -80.51)
CIE-LCH	lch(35.72, 96.67, 303.61°)
OKLab	oklab(46.9% 0.0213 -0.2328)
OKLCH	oklch(46.9% 0.234 275.2)
XYZ	xyz(16.0664, 8.8644, 66.4965)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4137D9 #CFD937

analogous

#377ED9 #4137D9 #9237D9

triadic

#4137D9 #D94137 #37D941

tetradic

#4137D9 #D9377E #CFD937 #37D992

square

#4137D9 #D9377E #CFD937 #37D992

split-complementary

#4137D9 #D99237 #7ED937

monochromatic

#1E187E #2B22B1 #4137D9 #726AE3 #A39EED

Accessibility & contrast

On white

7.57

#4137D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4137D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137D9

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137D9	#FFFFFF	#000000	##FFFFFF
##4137D9	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDE

Deuteranopia (green-blind)

#004DD6

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4137d9;
/* rgb */ color: rgb(65, 55, 217);
/* oklch */ color: oklch(46.9% 0.234 275.2);

Tailwind

colors: {
  custom: {
    50: '#8b71e6',
    500: '#4137d9',
    950: '#000000',
  },
}

SCSS

$custom: #4137d9;
$custom-light: #8b71e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4137d9",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 217
  },
  "hsl": {
    "h": 243.704,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.46902,
    "c": 0.23376,
    "h": 275.2
  },
  "luminance": 0.08866
}

Semantic roles & 50–950 ramp

primary

#4137D9

secondary

#D4D993

accent

#EB3DE0

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4137D9

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

Preview Lab → · Contrast checker → · Palette generator →