#3929B7#3929B7

#3929B7 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.0% C 0.208 H 277.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#3929B7
RGB	rgb(57, 41, 183)
HSL	hsl(247, 63%, 44%)
HSV	hsv(247, 78%, 72%)
CMYK	cmyk(68.9%, 77.6%, 0%, 28.2%)
CIE-LAB	lab(29.09, 49.49, -71.61)
CIE-LCH	lch(29.09, 87.04, 304.65°)
OKLab	oklab(41.05% 0.0255 -0.2069)
OKLCH	oklch(41.05% 0.209 277)
XYZ	xyz(11.0247, 5.8736, 45.3433)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929B7 #A7B729

analogous

#2960B7 #3929B7 #8029B7

triadic

#3929B7 #B73929 #29B739

tetradic

#3929B7 #B72960 #A7B729 #29B780

square

#3929B7 #B72960 #A7B729 #29B780

split-complementary

#3929B7 #B78029 #60B729

monochromatic

#1A1353 #291E85 #3929B7 #5747D6 #8579E1

Accessibility & contrast

On white

9.66

#3929B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3929B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929B7

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929B7	#FFFFFF	#000000	##FFFFFF
##3929B7	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABB

Deuteranopia (green-blind)

#003EB5

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3929b7;
/* rgb */ color: rgb(57, 41, 183);
/* oklch */ color: oklch(41.0% 0.208 277.0);

Tailwind

colors: {
  custom: {
    50: '#8266ce',
    500: '#3929b7',
    950: '#000000',
  },
}

SCSS

$custom: #3929b7;
$custom-light: #8266ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3929b7",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 183
  },
  "hsl": {
    "h": 246.761,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41048,
    "c": 0.2085,
    "h": 277
  },
  "luminance": 0.05875
}

Semantic roles & 50–950 ramp

primary

#3929B7

secondary

#BFC973

accent

#E641D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3929B7

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

Preview Lab → · Contrast checker → · Palette generator →