#4137C9#4137C9

#4137C9 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.215 H 276.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#4137C9
RGB	rgb(65, 55, 201)
HSL	hsl(244, 57%, 50%)
HSV	hsv(244, 73%, 79%)
CMYK	cmyk(67.7%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(34.13, 48.51, -73.87)
CIE-LCH	lch(34.13, 88.37, 303.29°)
OKLab	oklab(45.3% 0.0245 -0.2134)
OKLCH	oklch(45.3% 0.215 276.5)
XYZ	xyz(14.0853, 8.0720, 56.0628)
Luminance	0.0807 (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

#4137C9 #BFC937

analogous

#3776C9 #4137C9 #8A37C9

triadic

#4137C9 #C94137 #37C941

tetradic

#4137C9 #C93776 #BFC937 #37C98A

square

#4137C9 #C93776 #BFC937 #37C98A

split-complementary

#4137C9 #C98A37 #76C937

monochromatic

#221C69 #312999 #4137C9 #6F67D6 #9D97E3

Accessibility & contrast

On white

8.03

#4137C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4137C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4137C9

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4137C9	#FFFFFF	#000000	##FFFFFF
##4137C9	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CD

Deuteranopia (green-blind)

#004AC6

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4137c9;
/* rgb */ color: rgb(65, 55, 201);
/* oklch */ color: oklch(45.3% 0.215 276.5);

Tailwind

colors: {
  custom: {
    50: '#8870db',
    500: '#4137c9',
    950: '#000000',
  },
}

SCSS

$custom: #4137c9;
$custom-light: #8870db;
$custom-dark: #000000;

JSON

{
  "hex": "#4137c9",
  "rgb": {
    "r": 65,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 244.11,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45301,
    "c": 0.21483,
    "h": 276.5
  },
  "luminance": 0.08073
}

Semantic roles & 50–950 ramp

primary

#4137C9

secondary

#CACF8D

accent

#E147D6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4137C9

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

Preview Lab → · Contrast checker → · Palette generator →