#4138AF#4138AF

#4138AF is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.181 H 278.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#4138AF
RGB	rgb(65, 56, 175)
HSL	hsl(245, 52%, 45%)
HSV	hsv(245, 68%, 69%)
CMYK	cmyk(62.9%, 68%, 0%, 31.4%)
CIE-LAB	lab(31.91, 39.55, -62.18)
CIE-LCH	lch(31.91, 73.70, 302.46°)
OKLab	oklab(42.98% 0.0281 -0.1793)
OKLCH	oklch(42.98% 0.181 278.9)
XYZ	xyz(11.3295, 7.0464, 41.3122)
Luminance	0.0705 (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

#4138AF #A6AF38

analogous

#386AAF #4138AF #7D38AF

triadic

#4138AF #AF4138 #38AF41

tetradic

#4138AF #AF386A #A6AF38 #38AF7D

square

#4138AF #AF386A #A6AF38 #38AF7D

split-complementary

#4138AF #AF7D38 #6AAF38

monochromatic

#1F1A52 #302981 #4138AF #625ACA #8E88D9

Accessibility & contrast

On white

8.72

#4138AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4138AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138AF

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138AF	#FFFFFF	#000000	##FFFFFF
##4138AF	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4138af;
/* rgb */ color: rgb(65, 56, 175);
/* oklch */ color: oklch(43.0% 0.181 278.9);

Tailwind

colors: {
  custom: {
    50: '#8370c8',
    500: '#4138af',
    950: '#000000',
  },
}

SCSS

$custom: #4138af;
$custom-light: #8370c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4138af",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 244.538,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42975,
    "c": 0.18145,
    "h": 278.9
  },
  "luminance": 0.07047
}

Semantic roles & 50–950 ramp

primary

#4138AF

secondary

#BEC380

accent

#DB4DD0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4138AF

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

Preview Lab → · Contrast checker → · Palette generator →