#3934B8#3934B8

#3934B8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.6% C 0.199 H 275.5°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3934B8
RGB	rgb(57, 52, 184)
HSL	hsl(242, 56%, 46%)
HSV	hsv(242, 72%, 72%)
CMYK	cmyk(69%, 71.7%, 0%, 27.8%)
CIE-LAB	lab(31.31, 43.82, -68.54)
CIE-LCH	lch(31.31, 81.35, 302.59°)
OKLab	oklab(42.65% 0.0192 -0.1981)
OKLCH	oklch(42.65% 0.199 275.5)
XYZ	xyz(11.5642, 6.7855, 46.0384)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.71

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3934B8 #B3B834

analogous

#3471B8 #3934B8 #7B34B8

triadic

#3934B8 #B83934 #34B839

tetradic

#3934B8 #B83471 #B3B834 #34B87B

square

#3934B8 #B83471 #B3B834 #34B87B

split-complementary

#3934B8 #B87B34 #71B834

monochromatic

#1B1959 #2A2788 #3934B8 #5E59D0 #8C89DE

Accessibility & contrast

On white

8.91

#3934B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3934B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3934B8

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3934B8	#FFFFFF	#000000	##FFFFFF
##3934B8	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3934b8;
/* rgb */ color: rgb(57, 52, 184);
/* oklch */ color: oklch(42.6% 0.199 275.5);

Tailwind

colors: {
  custom: {
    50: '#816dcf',
    500: '#3934b8',
    950: '#000000',
  },
}

SCSS

$custom: #3934b8;
$custom-light: #816dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3934b8",
  "rgb": {
    "r": 57,
    "g": 52,
    "b": 184
  },
  "hsl": {
    "h": 242.273,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4265,
    "c": 0.199,
    "h": 275.5
  },
  "luminance": 0.06787
}

Semantic roles & 50–950 ramp

primary

#3934B8

secondary

#C5C880

accent

#DF49DA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3934B8

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

Preview Lab → · Contrast checker → · Palette generator →