#3954C5#3954C5

#3954C5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.179 H 268.7°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3954C5
RGB	rgb(57, 84, 197)
HSL	hsl(228, 55%, 50%)
HSV	hsv(228, 71%, 77%)
CMYK	cmyk(71.1%, 57.4%, 0%, 22.7%)
CIE-LAB	lab(39.98, 28.49, -61.98)
CIE-LCH	lch(39.98, 68.21, 294.69°)
OKLab	oklab(49.34% -0.004 -0.1787)
OKLCH	oklch(49.34% 0.179 268.7)
XYZ	xyz(14.9322, 11.2402, 54.1951)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954C5 #C5AA39

analogous

#399AC5 #3954C5 #6439C5

triadic

#3954C5 #C53954 #54C539

tetradic

#3954C5 #C5399A #C5AA39 #39C564

square

#3954C5 #C5399A #C5AA39 #39C564

split-complementary

#3954C5 #C56439 #9AC539

monochromatic

#1E2C66 #2B4096 #3954C5 #687DD3 #97A6E1

Accessibility & contrast

On white

6.46

#3954C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3954C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954C5

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954C5	#FFFFFF	#000000	##FFFFFF
##3954C5	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C9

Deuteranopia (green-blind)

#0058C3

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3954c5;
/* rgb */ color: rgb(57, 84, 197);
/* oklch */ color: oklch(49.3% 0.179 268.7);

Tailwind

colors: {
  custom: {
    50: '#8183d7',
    500: '#3954c5',
    950: '#000000',
  },
}

SCSS

$custom: #3954c5;
$custom-light: #8183d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3954c5",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 197
  },
  "hsl": {
    "h": 228.429,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49343,
    "c": 0.17871,
    "h": 268.7
  },
  "luminance": 0.11242
}

Semantic roles & 50–950 ramp

primary

#3954C5

secondary

#CDC08D

accent

#C249DE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3954C5

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

Preview Lab → · Contrast checker → · Palette generator →