#3954C4#3954C4

#3954C4 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.177 H 268.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3954C4
RGB	rgb(57, 84, 196)
HSL	hsl(228, 55%, 50%)
HSV	hsv(228, 71%, 77%)
CMYK	cmyk(70.9%, 57.1%, 0%, 23.1%)
CIE-LAB	lab(39.91, 28.13, -61.52)
CIE-LCH	lch(39.91, 67.65, 294.57°)
OKLab	oklab(49.26% -0.004 -0.1773)
OKLCH	oklch(49.26% 0.177 268.7)
XYZ	xyz(14.8180, 11.1945, 53.5937)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954C4 #C4A939

analogous

#399AC4 #3954C4 #6339C4

triadic

#3954C4 #C43954 #54C439

tetradic

#3954C4 #C4399A #C4A939 #39C463

square

#3954C4 #C4399A #C4A939 #39C463

split-complementary

#3954C4 #C46339 #9AC439

monochromatic

#1D2B65 #2B4095 #3954C4 #677CD3 #97A5E1

Accessibility & contrast

On white

6.48

#3954C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3954C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954C4

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954C4	#FFFFFF	#000000	##FFFFFF
##3954C4	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3954c4;
/* rgb */ color: rgb(57, 84, 196);
/* oklch */ color: oklch(49.3% 0.177 268.7);

Tailwind

colors: {
  custom: {
    50: '#8183d7',
    500: '#3954c4',
    950: '#000000',
  },
}

SCSS

$custom: #3954c4;
$custom-light: #8183d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3954c4",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 196
  },
  "hsl": {
    "h": 228.345,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49262,
    "c": 0.17737,
    "h": 268.7
  },
  "luminance": 0.11196
}

Semantic roles & 50–950 ramp

primary

#3954C4

secondary

#CCC08D

accent

#C14ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3954C4

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

Preview Lab → · Contrast checker → · Palette generator →