#4138D3#4138D3

#4138D3 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.226 H 275.6°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#4138D3
RGB	rgb(65, 56, 211)
HSL	hsl(243, 64%, 52%)
HSV	hsv(243, 73%, 83%)
CMYK	cmyk(69.2%, 73.5%, 0%, 17.3%)
CIE-LAB	lab(35.31, 51.12, -77.73)
CIE-LCH	lch(35.31, 93.03, 303.33°)
OKLab	oklab(46.43% 0.022 -0.2247)
OKLCH	oklch(46.43% 0.226 275.6)
XYZ	xyz(15.3482, 8.6539, 62.4769)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4138D3 #CAD338

analogous

#387CD3 #4138D3 #8F38D3

triadic

#4138D3 #D34138 #38D341

tetradic

#4138D3 #D3387C #CAD338 #38D38F

square

#4138D3 #D3387C #CAD338 #38D38F

split-complementary

#4138D3 #D38F38 #7CD338

monochromatic

#201A76 #2D25A9 #4138D3 #716ADE #A19CE9

Accessibility & contrast

On white

7.69

#4138D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4138D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138D3

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138D3	#FFFFFF	#000000	##FFFFFF
##4138D3	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD8

Deuteranopia (green-blind)

#004CD0

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4138d3;
/* rgb */ color: rgb(65, 56, 211);
/* oklch */ color: oklch(46.4% 0.226 275.6);

Tailwind

colors: {
  custom: {
    50: '#8a71e2',
    500: '#4138d3',
    950: '#000000',
  },
}

SCSS

$custom: #4138d3;
$custom-light: #8a71e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4138d3",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 211
  },
  "hsl": {
    "h": 243.484,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.22577,
    "h": 275.6
  },
  "luminance": 0.08655
}

Semantic roles & 50–950 ramp

primary

#4138D3

secondary

#D1D592

accent

#E741DD

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4138D3

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

Preview Lab → · Contrast checker → · Palette generator →