#3954BD#3954BD

#3954BD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.168 H 268.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3954BD
RGB	rgb(57, 84, 189)
HSL	hsl(228, 54%, 48%)
HSV	hsv(228, 70%, 74%)
CMYK	cmyk(69.8%, 55.6%, 0%, 25.9%)
CIE-LAB	lab(39.38, 25.59, -58.29)
CIE-LCH	lch(39.38, 63.66, 293.70°)
OKLab	oklab(48.71% -0.0043 -0.1678)
OKLCH	oklch(48.71% 0.168 268.5)
XYZ	xyz(14.0398, 10.8832, 49.4950)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954BD #BDA239

analogous

#3996BD #3954BD #6039BD

triadic

#3954BD #BD3954 #54BD39

tetradic

#3954BD #BD3996 #BDA239 #39BD60

square

#3954BD #BD3996 #BDA239 #39BD60

split-complementary

#3954BD #BD6039 #96BD39

monochromatic

#1D2A5F #2B3F8E #3954BD #6379D0 #92A2DE

Accessibility & contrast

On white

6.61

#3954BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3954BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954BD

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954BD	#FFFFFF	#000000	##FFFFFF
##3954BD	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3954bd;
/* rgb */ color: rgb(57, 84, 189);
/* oklch */ color: oklch(48.7% 0.168 268.5);

Tailwind

colors: {
  custom: {
    50: '#8083d2',
    500: '#3954bd',
    950: '#000000',
  },
}

SCSS

$custom: #3954bd;
$custom-light: #8083d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3954bd",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 189
  },
  "hsl": {
    "h": 227.727,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48705,
    "c": 0.16788,
    "h": 268.5
  },
  "luminance": 0.10885
}

Semantic roles & 50–950 ramp

primary

#3954BD

secondary

#C9BC89

accent

#BF4BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3954BD

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

Preview Lab → · Contrast checker → · Palette generator →