#4138BE#4138BE

#4138BE is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.4% C 0.200 H 277.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#4138BE
RGB	rgb(65, 56, 190)
HSL	hsl(244, 54%, 48%)
HSV	hsv(244, 71%, 75%)
CMYK	cmyk(65.8%, 70.5%, 0%, 25.5%)
CIE-LAB	lab(33.28, 44.43, -68.82)
CIE-LCH	lch(33.28, 81.91, 302.85°)
OKLab	oklab(44.38% 0.0258 -0.1987)
OKLCH	oklch(44.38% 0.2 277.4)
XYZ	xyz(12.8854, 7.6688, 49.5064)
Luminance	0.0767 (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

#4138BE #B5BE38

analogous

#3872BE #4138BE #8438BE

triadic

#4138BE #BE4138 #38BE41

tetradic

#4138BE #BE3872 #B5BE38 #38BE84

square

#4138BE #BE3872 #B5BE38 #38BE84

split-complementary

#4138BE #BE8438 #72BE38

monochromatic

#211C5F #312A8F #4138BE #6A62D1 #9792DF

Accessibility & contrast

On white

8.29

#4138BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4138BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138BE

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138BE	#FFFFFF	#000000	##FFFFFF
##4138BE	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4138be;
/* rgb */ color: rgb(65, 56, 190);
/* oklch */ color: oklch(44.4% 0.200 277.4);

Tailwind

colors: {
  custom: {
    50: '#8570d3',
    500: '#4138be',
    950: '#000000',
  },
}

SCSS

$custom: #4138be;
$custom-light: #8570d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4138be",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 190
  },
  "hsl": {
    "h": 244.03,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44378,
    "c": 0.20037,
    "h": 277.4
  },
  "luminance": 0.0767
}

Semantic roles & 50–950 ramp

primary

#4138BE

secondary

#C5CA88

accent

#DE4AD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4138BE

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

Preview Lab → · Contrast checker → · Palette generator →