#4138CD#4138CD

#4138CD is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.8% C 0.219 H 276.1°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#4138CD
RGB	rgb(65, 56, 205)
HSL	hsl(244, 60%, 51%)
HSV	hsv(244, 73%, 80%)
CMYK	cmyk(68.3%, 72.7%, 0%, 19.6%)
CIE-LAB	lab(34.72, 49.22, -75.23)
CIE-LCH	lch(34.72, 89.90, 303.20°)
OKLab	oklab(45.84% 0.0231 -0.2174)
OKLCH	oklch(45.84% 0.219 276.1)
XYZ	xyz(14.6100, 8.3586, 58.5892)
Luminance	0.0836 (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

#4138CD #C4CD38

analogous

#3879CD #4138CD #8B38CD

triadic

#4138CD #CD4138 #38CD41

tetradic

#4138CD #CD3879 #C4CD38 #38CD8B

square

#4138CD #CD3879 #C4CD38 #38CD8B

split-complementary

#4138CD #CD8B38 #79CD38

monochromatic

#211C6F #2F28A0 #4138CD #7069D9 #9E9AE6

Accessibility & contrast

On white

7.86

#4138CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4138CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138CD

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138CD	#FFFFFF	#000000	##FFFFFF
##4138CD	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D1

Deuteranopia (green-blind)

#004BCA

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4138cd;
/* rgb */ color: rgb(65, 56, 205);
/* oklch */ color: oklch(45.8% 0.219 276.1);

Tailwind

colors: {
  custom: {
    50: '#8971de',
    500: '#4138cd',
    950: '#000000',
  },
}

SCSS

$custom: #4138cd;
$custom-light: #8971de;
$custom-dark: #000000;

JSON

{
  "hex": "#4138cd",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 205
  },
  "hsl": {
    "h": 243.624,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45835,
    "c": 0.21863,
    "h": 276.1
  },
  "luminance": 0.0836
}

Semantic roles & 50–950 ramp

primary

#4138CD

secondary

#CDD18F

accent

#E345D9

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4138CD

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

Preview Lab → · Contrast checker → · Palette generator →