#3948AD#3948AD

#3948AD is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.161 H 271.9°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3948AD
RGB	rgb(57, 72, 173)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 67%, 68%)
CMYK	cmyk(67.1%, 58.4%, 0%, 32.2%)
CIE-LAB	lab(35.04, 27.60, -55.90)
CIE-LCH	lch(35.04, 62.34, 296.28°)
OKLab	oklab(45.08% 0.0053 -0.1609)
OKLCH	oklch(45.08% 0.161 271.9)
XYZ	xyz(11.5450, 8.5207, 40.5633)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948AD #AD9E39

analogous

#3982AD #3948AD #6439AD

triadic

#3948AD #AD3948 #48AD39

tetradic

#3948AD #AD3982 #AD9E39 #39AD64

square

#3948AD #AD3982 #AD9E39 #39AD64

split-complementary

#3948AD #AD6439 #82AD39

monochromatic

#1B2251 #2A357F #3948AD #5A69C9 #8893D8

Accessibility & contrast

On white

7.77

#3948AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3948AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948AD

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948AD	#FFFFFF	#000000	##FFFFFF
##3948AD	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B0

Deuteranopia (green-blind)

#004DAB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3948ad;
/* rgb */ color: rgb(57, 72, 173);
/* oklch */ color: oklch(45.1% 0.161 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d7ac6',
    500: '#3948ad',
    950: '#000000',
  },
}

SCSS

$custom: #3948ad;
$custom-light: #7d7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3948ad",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 173
  },
  "hsl": {
    "h": 232.241,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45079,
    "c": 0.16104,
    "h": 271.9
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#3948AD

secondary

#C2BA80

accent

#C84EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3948AD

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

Preview Lab → · Contrast checker → · Palette generator →