#3930B4#3930B4

#3930B4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.198 H 276.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3930B4
RGB	rgb(57, 48, 180)
HSL	hsl(244, 58%, 45%)
HSV	hsv(244, 73%, 71%)
CMYK	cmyk(68.3%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(30.10, 44.79, -68.16)
CIE-LCH	lch(30.10, 81.56, 303.31°)
OKLab	oklab(41.67% 0.0223 -0.1969)
OKLCH	oklch(41.67% 0.198 276.5)
XYZ	xyz(10.9798, 6.2781, 43.8043)
Luminance	0.0628 (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

#3930B4 #ABB430

analogous

#3069B4 #3930B4 #7B30B4

triadic

#3930B4 #B43930 #30B439

tetradic

#3930B4 #B43069 #ABB430 #30B47B

square

#3930B4 #B43069 #ABB430 #30B47B

split-complementary

#3930B4 #B47B30 #69B430

monochromatic

#1A1653 #2A2384 #3930B4 #5951D1 #8781DD

Accessibility & contrast

On white

9.31

#3930B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3930B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930B4

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930B4	#FFFFFF	#000000	##FFFFFF
##3930B4	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#0041B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3930b4;
/* rgb */ color: rgb(57, 48, 180);
/* oklch */ color: oklch(41.7% 0.198 276.5);

Tailwind

colors: {
  custom: {
    50: '#816acc',
    500: '#3930b4',
    950: '#000000',
  },
}

SCSS

$custom: #3930b4;
$custom-light: #816acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3930b4",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 244.091,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41669,
    "c": 0.1982,
    "h": 276.5
  },
  "luminance": 0.06279
}

Semantic roles & 50–950 ramp

primary

#3930B4

secondary

#C1C679

accent

#E147D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3930B4

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

Preview Lab → · Contrast checker → · Palette generator →