#4138BF#4138BF

#4138BF is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.202 H 277.3°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#4138BF
RGB	rgb(65, 56, 191)
HSL	hsl(244, 55%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(66%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(33.38, 44.75, -69.25)
CIE-LCH	lch(33.38, 82.45, 302.87°)
OKLab	oklab(44.47% 0.0256 -0.2)
OKLCH	oklch(44.47% 0.202 277.3)
XYZ	xyz(12.9951, 7.7126, 50.0840)
Luminance	0.0771 (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

#4138BF #B6BF38

analogous

#3872BF #4138BF #8438BF

triadic

#4138BF #BF4138 #38BF41

tetradic

#4138BF #BF3872 #B6BF38 #38BF84

square

#4138BF #BF3872 #B6BF38 #38BF84

split-complementary

#4138BF #BF8438 #72BF38

monochromatic

#211C60 #312A90 #4138BF #6A63D1 #9792DF

Accessibility & contrast

On white

8.26

#4138BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4138BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138BF

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138BF	#FFFFFF	#000000	##FFFFFF
##4138BF	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4138bf;
/* rgb */ color: rgb(65, 56, 191);
/* oklch */ color: oklch(44.5% 0.202 277.3);

Tailwind

colors: {
  custom: {
    50: '#8670d3',
    500: '#4138bf',
    950: '#000000',
  },
}

SCSS

$custom: #4138bf;
$custom-light: #8670d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4138bf",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 244,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44474,
    "c": 0.2016,
    "h": 277.3
  },
  "luminance": 0.07714
}

Semantic roles & 50–950 ramp

primary

#4138BF

secondary

#C6CA89

accent

#DE4AD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4138BF

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

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