#4138D4#4138D4

#4138D4 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.227 H 275.5°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4138D4
RGB	rgb(65, 56, 212)
HSL	hsl(243, 64%, 53%)
HSV	hsv(243, 74%, 83%)
CMYK	cmyk(69.3%, 73.6%, 0%, 16.9%)
CIE-LAB	lab(35.41, 51.43, -78.14)
CIE-LCH	lch(35.41, 93.55, 303.35°)
OKLab	oklab(46.53% 0.0218 -0.2259)
OKLCH	oklch(46.53% 0.227 275.5)
XYZ	xyz(15.4739, 8.7042, 63.1392)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4138D4 #CBD438

analogous

#387DD4 #4138D4 #8F38D4

triadic

#4138D4 #D44138 #38D441

tetradic

#4138D4 #D4387D #CBD438 #38D48F

square

#4138D4 #D4387D #CBD438 #38D48F

split-complementary

#4138D4 #D48F38 #7DD438

monochromatic

#1F1A78 #2C25AA #4138D4 #716ADF #A19DEA

Accessibility & contrast

On white

7.66

#4138D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4138D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138D4

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138D4	#FFFFFF	#000000	##FFFFFF
##4138D4	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD9

Deuteranopia (green-blind)

#004CD1

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4138d4;
/* rgb */ color: rgb(65, 56, 212);
/* oklch */ color: oklch(46.5% 0.227 275.5);

Tailwind

colors: {
  custom: {
    50: '#8a71e3',
    500: '#4138d4',
    950: '#000000',
  },
}

SCSS

$custom: #4138d4;
$custom-light: #8a71e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4138d4",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 212
  },
  "hsl": {
    "h": 243.462,
    "s": 64.463,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46531,
    "c": 0.22696,
    "h": 275.5
  },
  "luminance": 0.08706
}

Semantic roles & 50–950 ramp

primary

#4138D4

secondary

#D2D692

accent

#E740DE

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4138D4

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

Preview Lab → · Contrast checker → · Palette generator →