#3927B6#3927B6

#3927B6 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.7% C 0.209 H 277.3°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#3927B6
RGB	rgb(57, 39, 182)
HSL	hsl(248, 65%, 43%)
HSV	hsv(248, 79%, 71%)
CMYK	cmyk(68.7%, 78.6%, 0%, 28.6%)
CIE-LAB	lab(28.64, 50.18, -71.77)
CIE-LCH	lch(28.64, 87.57, 304.96°)
OKLab	oklab(40.7% 0.0267 -0.2074)
OKLCH	oklch(40.7% 0.209 277.3)
XYZ	xyz(10.8536, 5.6973, 44.7746)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927B6 #A4B627

analogous

#275DB6 #3927B6 #8027B6

triadic

#3927B6 #B63927 #27B639

tetradic

#3927B6 #B6275D #A4B627 #27B680

square

#3927B6 #B6275D #A4B627 #27B680

split-complementary

#3927B6 #B68027 #5DB627

monochromatic

#191151 #291C84 #3927B6 #5643D7 #8376E2

Accessibility & contrast

On white

9.81

#3927B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3927B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927B6

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927B6	#FFFFFF	#000000	##FFFFFF
##3927B6	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BA

Deuteranopia (green-blind)

#003DB4

Tritanopia (blue-blind)

#00526E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3927b6;
/* rgb */ color: rgb(57, 39, 182);
/* oklch */ color: oklch(40.7% 0.209 277.3);

Tailwind

colors: {
  custom: {
    50: '#8265cd',
    500: '#3927b6',
    950: '#000000',
  },
}

SCSS

$custom: #3927b6;
$custom-light: #8265cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3927b6",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 182
  },
  "hsl": {
    "h": 247.552,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40697,
    "c": 0.20909,
    "h": 277.3
  },
  "luminance": 0.05698
}

Semantic roles & 50–950 ramp

primary

#3927B6

secondary

#BEC970

accent

#E840D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3927B6

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

Preview Lab → · Contrast checker → · Palette generator →