#3F38AF#3F38AF

#3F38AF is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.182 H 278.0°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F38AF
RGB	rgb(63, 56, 175)
HSL	hsl(244, 52%, 45%)
HSV	hsv(244, 68%, 69%)
CMYK	cmyk(64%, 68%, 0%, 31.4%)
CIE-LAB	lab(31.76, 39.26, -62.44)
CIE-LCH	lch(31.76, 73.76, 302.16°)
OKLab	oklab(42.83% 0.0255 -0.1801)
OKLCH	oklch(42.83% 0.182 278)
XYZ	xyz(11.1994, 6.9794, 41.3061)
Luminance	0.0698 (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

#3F38AF #A8AF38

analogous

#386DAF #3F38AF #7A38AF

triadic

#3F38AF #AF3F38 #38AF3F

tetradic

#3F38AF #AF386D #A8AF38 #38AF7A

square

#3F38AF #AF386D #A8AF38 #38AF7A

split-complementary

#3F38AF #AF7A38 #6DAF38

monochromatic

#1E1A52 #2E2981 #3F38AF #615ACA #8D88D9

Accessibility & contrast

On white

8.76

#3F38AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F38AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38AF

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38AF	#FFFFFF	#000000	##FFFFFF
##3F38AF	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	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: #3f38af;
/* rgb */ color: rgb(63, 56, 175);
/* oklch */ color: oklch(42.8% 0.182 278.0);

Tailwind

colors: {
  custom: {
    50: '#826fc8',
    500: '#3f38af',
    950: '#000000',
  },
}

SCSS

$custom: #3f38af;
$custom-light: #826fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38af",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 243.529,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42826,
    "c": 0.18187,
    "h": 278
  },
  "luminance": 0.0698
}

Semantic roles & 50–950 ramp

primary

#3F38AF

secondary

#BFC380

accent

#DB4DD3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F38AF

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

Preview Lab → · Contrast checker → · Palette generator →