#3961AD#3961AD

#3961AD is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.129 H 261.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3961AD
RGB	rgb(57, 97, 173)
HSL	hsl(219, 50%, 45%)
HSV	hsv(219, 67%, 68%)
CMYK	cmyk(67.1%, 43.9%, 0%, 32.2%)
CIE-LAB	lab(41.90, 11.32, -44.85)
CIE-LCH	lch(41.90, 46.26, 284.17°)
OKLab	oklab(50.28% -0.0181 -0.1281)
OKLCH	oklch(50.28% 0.129 261.9)
XYZ	xyz(13.5022, 12.4351, 41.2157)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961AD #AD8539

analogous

#399BAD #3961AD #4B39AD

triadic

#3961AD #AD3961 #61AD39

tetradic

#3961AD #AD399B #AD8539 #39AD4B

square

#3961AD #AD399B #AD8539 #39AD4B

split-complementary

#3961AD #AD4B39 #9BAD39

monochromatic

#1B2D51 #2A477F #3961AD #5A80C9 #88A4D8

Accessibility & contrast

On white

6.02

#3961AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3961AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961AD

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961AD	#FFFFFF	#000000	##FFFFFF
##3961AD	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D69B0

Deuteranopia (green-blind)

#295EAB

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3961ad;
/* rgb */ color: rgb(57, 97, 173);
/* oklch */ color: oklch(50.3% 0.129 261.9);

Tailwind

colors: {
  custom: {
    50: '#7c8dc6',
    500: '#3961ad',
    950: '#000000',
  },
}

SCSS

$custom: #3961ad;
$custom-light: #7c8dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3961ad",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 173
  },
  "hsl": {
    "h": 219.31,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5028,
    "c": 0.12937,
    "h": 261.9
  },
  "luminance": 0.12436
}

Semantic roles & 50–950 ramp

primary

#3961AD

secondary

#C2AB80

accent

#AA4EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3961AD

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

Preview Lab → · Contrast checker → · Palette generator →