#3938B8#3938B8

#3938B8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.195 H 274.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3938B8
RGB	rgb(57, 56, 184)
HSL	hsl(240, 53%, 47%)
HSV	hsv(240, 70%, 72%)
CMYK	cmyk(69%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(32.16, 41.48, -67.14)
CIE-LCH	lch(32.16, 78.92, 301.71°)
OKLab	oklab(43.26% 0.0167 -0.194)
OKLCH	oklch(43.26% 0.195 274.9)
XYZ	xyz(11.7504, 7.1578, 46.1005)
Luminance	0.0716 (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

#3938B8 #B7B838

analogous

#3877B8 #3938B8 #7938B8

triadic

#3938B8 #B83938 #38B839

tetradic

#3938B8 #B83877 #B7B838 #38B879

square

#3938B8 #B83877 #B7B838 #38B879

split-complementary

#3938B8 #B87938 #77B838

monochromatic

#1C1B5A #2A2A89 #3938B8 #605FCE #8E8EDD

Accessibility & contrast

On white

8.64

#3938B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3938B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3938B8

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3938B8	#FFFFFF	#000000	##FFFFFF
##3938B8	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3938b8;
/* rgb */ color: rgb(57, 56, 184);
/* oklch */ color: oklch(43.3% 0.195 274.9);

Tailwind

colors: {
  custom: {
    50: '#8170ce',
    500: '#3938b8',
    950: '#000000',
  },
}

SCSS

$custom: #3938b8;
$custom-light: #8170ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3938b8",
  "rgb": {
    "r": 57,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 240.469,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43259,
    "c": 0.19472,
    "h": 274.9
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#3938B8

secondary

#C7C785

accent

#DD4BDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3938B8

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

Preview Lab → · Contrast checker → · Palette generator →