#3929B8#3929B8

#3929B8 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.2% C 0.210 H 276.9°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#3929B8
RGB	rgb(57, 41, 184)
HSL	hsl(247, 64%, 44%)
HSV	hsv(247, 78%, 72%)
CMYK	cmyk(69%, 77.7%, 0%, 27.8%)
CIE-LAB	lab(29.20, 49.79, -72.03)
CIE-LCH	lch(29.20, 87.56, 304.66°)
OKLab	oklab(41.15% 0.0252 -0.2082)
OKLCH	oklch(41.15% 0.21 276.9)
XYZ	xyz(11.1292, 5.9154, 45.8934)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B8 #A8B829

analogous

#2961B8 #3929B8 #8129B8

triadic

#3929B8 #B83929 #29B839

tetradic

#3929B8 #B82961 #A8B829 #29B881

square

#3929B8 #B82961 #A8B829 #29B881

split-complementary

#3929B8 #B88129 #61B829

monochromatic

#1A1354 #291E86 #3929B8 #5848D6 #867AE1

Accessibility & contrast

On white

9.62

#3929B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3929B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B8

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B8	#FFFFFF	#000000	##FFFFFF
##3929B8	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBC

Deuteranopia (green-blind)

#003FB5

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3929b8;
/* rgb */ color: rgb(57, 41, 184);
/* oklch */ color: oklch(41.2% 0.210 276.9);

Tailwind

colors: {
  custom: {
    50: '#8266cf',
    500: '#3929b8',
    950: '#000000',
  },
}

SCSS

$custom: #3929b8;
$custom-light: #8266cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b8",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 184
  },
  "hsl": {
    "h": 246.713,
    "s": 63.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41154,
    "c": 0.20968,
    "h": 276.9
  },
  "luminance": 0.05916
}

Semantic roles & 50–950 ramp

primary

#3929B8

secondary

#C0C973

accent

#E741D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3929B8

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

Preview Lab → · Contrast checker → · Palette generator →