#4138AD#4138AD

#4138AD is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.179 H 279.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#4138AD
RGB	rgb(65, 56, 173)
HSL	hsl(245, 51%, 45%)
HSV	hsv(245, 68%, 68%)
CMYK	cmyk(62.4%, 67.6%, 0%, 32.2%)
CIE-LAB	lab(31.73, 38.90, -61.28)
CIE-LCH	lch(31.73, 72.58, 302.41°)
OKLab	oklab(42.79% 0.0283 -0.1766)
OKLCH	oklch(42.79% 0.179 279.1)
XYZ	xyz(11.1346, 6.9684, 40.2853)
Luminance	0.0697 (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

#4138AD #A4AD38

analogous

#386AAD #4138AD #7B38AD

triadic

#4138AD #AD4138 #38AD41

tetradic

#4138AD #AD386A #A4AD38 #38AD7B

square

#4138AD #AD386A #A4AD38 #38AD7B

split-complementary

#4138AD #AD7B38 #6AAD38

monochromatic

#1E1A51 #30297F #4138AD #6259C9 #8D87D8

Accessibility & contrast

On white

8.77

#4138AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4138AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138AD

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138AD	#FFFFFF	#000000	##FFFFFF
##4138AD	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4138ad;
/* rgb */ color: rgb(65, 56, 173);
/* oklch */ color: oklch(42.8% 0.179 279.1);

Tailwind

colors: {
  custom: {
    50: '#8270c6',
    500: '#4138ad',
    950: '#000000',
  },
}

SCSS

$custom: #4138ad;
$custom-light: #8270c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4138ad",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 173
  },
  "hsl": {
    "h": 244.615,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42792,
    "c": 0.17888,
    "h": 279.1
  },
  "luminance": 0.06969
}

Semantic roles & 50–950 ramp

primary

#4138AD

secondary

#BDC27F

accent

#DB4DD0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4138AD

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

Preview Lab → · Contrast checker → · Palette generator →