#4138CA#4138CA

#4138CA is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.215 H 276.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#4138CA
RGB	rgb(65, 56, 202)
HSL	hsl(244, 58%, 51%)
HSV	hsv(244, 72%, 79%)
CMYK	cmyk(67.8%, 72.3%, 0%, 20.8%)
CIE-LAB	lab(34.43, 48.27, -73.96)
CIE-LCH	lch(34.43, 88.32, 303.13°)
OKLab	oklab(45.54% 0.0237 -0.2137)
OKLCH	oklch(45.54% 0.215 276.3)
XYZ	xyz(14.2513, 8.2152, 56.7003)
Luminance	0.0822 (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

#4138CA #C1CA38

analogous

#3878CA #4138CA #8A38CA

triadic

#4138CA #CA4138 #38CA41

tetradic

#4138CA #CA3878 #C1CA38 #38CA8A

square

#4138CA #CA3878 #C1CA38 #38CA8A

split-complementary

#4138CA #CA8A38 #78CA38

monochromatic

#211D6B #30299B #4138CA #6F68D7 #9D99E4

Accessibility & contrast

On white

7.94

#4138CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4138CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138CA

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138CA	#FFFFFF	#000000	##FFFFFF
##4138CA	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CE

Deuteranopia (green-blind)

#004AC7

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4138ca;
/* rgb */ color: rgb(65, 56, 202);
/* oklch */ color: oklch(45.5% 0.215 276.3);

Tailwind

colors: {
  custom: {
    50: '#8871db',
    500: '#4138ca',
    950: '#000000',
  },
}

SCSS

$custom: #4138ca;
$custom-light: #8871db;
$custom-dark: #000000;

JSON

{
  "hex": "#4138ca",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 202
  },
  "hsl": {
    "h": 243.699,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4554,
    "c": 0.21503,
    "h": 276.3
  },
  "luminance": 0.08216
}

Semantic roles & 50–950 ramp

primary

#4138CA

secondary

#CBCF8E

accent

#E147D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4138CA

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

Preview Lab → · Contrast checker → · Palette generator →