#4138AA#4138AA

#4138AA is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.175 H 279.4°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#4138AA
RGB	rgb(65, 56, 170)
HSL	hsl(245, 50%, 44%)
HSV	hsv(245, 67%, 67%)
CMYK	cmyk(61.8%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(31.47, 37.91, -59.91)
CIE-LCH	lch(31.47, 70.90, 302.33°)
OKLab	oklab(42.52% 0.0287 -0.1726)
OKLCH	oklch(42.52% 0.175 279.4)
XYZ	xyz(10.8475, 6.8536, 38.7737)
Luminance	0.0685 (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

#4138AA #A1AA38

analogous

#3868AA #4138AA #7A38AA

triadic

#4138AA #AA4138 #38AA41

tetradic

#4138AA #AA3868 #A1AA38 #38AA7A

square

#4138AA #AA3868 #A1AA38 #38AA7A

split-complementary

#4138AA #AA7A38 #68AA38

monochromatic

#1E1A4E #2F297C #4138AA #6057C8 #8C85D7

Accessibility & contrast

On white

8.86

#4138AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4138AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138AA

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138AA	#FFFFFF	#000000	##FFFFFF
##4138AA	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4138aa;
/* rgb */ color: rgb(65, 56, 170);
/* oklch */ color: oklch(42.5% 0.175 279.4);

Tailwind

colors: {
  custom: {
    50: '#826fc4',
    500: '#4138aa',
    950: '#000000',
  },
}

SCSS

$custom: #4138aa;
$custom-light: #826fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4138aa",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 244.737,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4252,
    "c": 0.17499,
    "h": 279.4
  },
  "luminance": 0.06854
}

Semantic roles & 50–950 ramp

primary

#4138AA

secondary

#BBC17D

accent

#DA4ECF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4138AA

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

Preview Lab → · Contrast checker → · Palette generator →