#4138AC#4138AC

#4138AC is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.178 H 279.2°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#4138AC
RGB	rgb(65, 56, 172)
HSL	hsl(245, 51%, 45%)
HSV	hsv(245, 67%, 67%)
CMYK	cmyk(62.2%, 67.4%, 0%, 32.5%)
CIE-LAB	lab(31.65, 38.57, -60.82)
CIE-LCH	lch(31.65, 72.02, 302.38°)
OKLab	oklab(42.7% 0.0285 -0.1753)
OKLCH	oklch(42.7% 0.178 279.2)
XYZ	xyz(11.0382, 6.9299, 39.7777)
Luminance	0.0693 (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

#4138AC #A3AC38

analogous

#3869AC #4138AC #7B38AC

triadic

#4138AC #AC4138 #38AC41

tetradic

#4138AC #AC3869 #A3AC38 #38AC7B

square

#4138AC #AC3869 #A3AC38 #38AC7B

split-complementary

#4138AC #AC7B38 #69AC38

monochromatic

#1E1A50 #30297E #4138AC #6158C9 #8D87D8

Accessibility & contrast

On white

8.80

#4138AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4138AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138AC

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138AC	#FFFFFF	#000000	##FFFFFF
##4138AC	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4138ac;
/* rgb */ color: rgb(65, 56, 172);
/* oklch */ color: oklch(42.7% 0.178 279.2);

Tailwind

colors: {
  custom: {
    50: '#826fc6',
    500: '#4138ac',
    950: '#000000',
  },
}

SCSS

$custom: #4138ac;
$custom-light: #826fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4138ac",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 172
  },
  "hsl": {
    "h": 244.655,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42701,
    "c": 0.17759,
    "h": 279.2
  },
  "luminance": 0.06931
}

Semantic roles & 50–950 ramp

primary

#4138AC

secondary

#BDC27E

accent

#DA4DCF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4138AC

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

Preview Lab → · Contrast checker → · Palette generator →