#4138BA#4138BA

#4138BA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.195 H 277.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#4138BA
RGB	rgb(65, 56, 186)
HSL	hsl(244, 54%, 47%)
HSV	hsv(244, 70%, 73%)
CMYK	cmyk(65.1%, 69.9%, 0%, 27.1%)
CIE-LAB	lab(32.91, 43.13, -67.07)
CIE-LCH	lch(32.91, 79.75, 302.75°)
OKLab	oklab(44% 0.0264 -0.1936)
OKLCH	oklch(44% 0.195 277.8)
XYZ	xyz(12.4542, 7.4963, 47.2355)
Luminance	0.0750 (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

#4138BA #B1BA38

analogous

#3870BA #4138BA #8238BA

triadic

#4138BA #BA4138 #38BA41

tetradic

#4138BA #BA3870 #B1BA38 #38BA82

square

#4138BA #BA3870 #B1BA38 #38BA82

split-complementary

#4138BA #BA8238 #70BA38

monochromatic

#201C5C #312A8B #4138BA #6860CF #958FDD

Accessibility & contrast

On white

8.40

#4138BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4138BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138BA

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138BA	#FFFFFF	#000000	##FFFFFF
##4138BA	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4138ba;
/* rgb */ color: rgb(65, 56, 186);
/* oklch */ color: oklch(44.0% 0.195 277.8);

Tailwind

colors: {
  custom: {
    50: '#8570d0',
    500: '#4138ba',
    950: '#000000',
  },
}

SCSS

$custom: #4138ba;
$custom-light: #8570d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4138ba",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 186
  },
  "hsl": {
    "h": 244.154,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43998,
    "c": 0.19539,
    "h": 277.8
  },
  "luminance": 0.07497
}

Semantic roles & 50–950 ramp

primary

#4138BA

secondary

#C3C886

accent

#DD4BD3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4138BA

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

Preview Lab → · Contrast checker → · Palette generator →