#3938B3#3938B3

#3938B3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.188 H 275.3°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3938B3
RGB	rgb(57, 56, 179)
HSL	hsl(240, 52%, 46%)
HSV	hsv(240, 69%, 70%)
CMYK	cmyk(68.2%, 68.7%, 0%, 29.8%)
CIE-LAB	lab(31.70, 39.80, -64.94)
CIE-LCH	lch(31.70, 76.16, 301.50°)
OKLab	oklab(42.78% 0.0174 -0.1876)
OKLCH	oklch(42.78% 0.188 275.3)
XYZ	xyz(11.2355, 6.9519, 43.3888)
Luminance	0.0695 (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

#3938B3 #B2B338

analogous

#3874B3 #3938B3 #7638B3

triadic

#3938B3 #B33938 #38B339

tetradic

#3938B3 #B33874 #B2B338 #38B376

square

#3938B3 #B33874 #B2B338 #38B376

split-complementary

#3938B3 #B37638 #74B338

monochromatic

#1B1B56 #2A2984 #3938B3 #5D5CCC #8B8BDB

Accessibility & contrast

On white

8.78

#3938B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3938B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3938B3

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3938B3	#FFFFFF	#000000	##FFFFFF
##3938B3	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3938b3;
/* rgb */ color: rgb(57, 56, 179);
/* oklch */ color: oklch(42.8% 0.188 275.3);

Tailwind

colors: {
  custom: {
    50: '#806fcb',
    500: '#3938b3',
    950: '#000000',
  },
}

SCSS

$custom: #3938b3;
$custom-light: #806fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3938b3",
  "rgb": {
    "r": 57,
    "g": 56,
    "b": 179
  },
  "hsl": {
    "h": 240.488,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42781,
    "c": 0.18836,
    "h": 275.3
  },
  "luminance": 0.06953
}

Semantic roles & 50–950 ramp

primary

#3938B3

secondary

#C4C582

accent

#DC4CDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3938B3

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

Preview Lab → · Contrast checker → · Palette generator →