#4138B2#4138B2

#4138B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.185 H 278.6°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#4138B2
RGB	rgb(65, 56, 178)
HSL	hsl(244, 52%, 46%)
HSV	hsv(244, 69%, 70%)
CMYK	cmyk(63.5%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(32.18, 40.53, -63.53)
CIE-LCH	lch(32.18, 75.36, 302.54°)
OKLab	oklab(43.25% 0.0277 -0.1832)
OKLCH	oklch(43.25% 0.185 278.6)
XYZ	xyz(11.6274, 7.1656, 42.8812)
Luminance	0.0717 (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

#4138B2 #A9B238

analogous

#386CB2 #4138B2 #7E38B2

triadic

#4138B2 #B24138 #38B241

tetradic

#4138B2 #B2386C #A9B238 #38B27E

square

#4138B2 #B2386C #A9B238 #38B27E

split-complementary

#4138B2 #B27E38 #6CB238

monochromatic

#1F1B55 #302983 #4138B2 #645CCC #908ADA

Accessibility & contrast

On white

8.63

#4138B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4138B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138B2

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138B2	#FFFFFF	#000000	##FFFFFF
##4138B2	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4138b2;
/* rgb */ color: rgb(65, 56, 178);
/* oklch */ color: oklch(43.3% 0.185 278.6);

Tailwind

colors: {
  custom: {
    50: '#8370ca',
    500: '#4138b2',
    950: '#000000',
  },
}

SCSS

$custom: #4138b2;
$custom-light: #8370ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4138b2",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 244.426,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43251,
    "c": 0.18528,
    "h": 278.6
  },
  "luminance": 0.07167
}

Semantic roles & 50–950 ramp

primary

#4138B2

secondary

#C0C581

accent

#DC4CD1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4138B2

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

Preview Lab → · Contrast checker → · Palette generator →