#3961DC#3961DC

#3961DC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.7% C 0.193 H 266.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3961DC
RGB	rgb(57, 97, 220)
HSL	hsl(225, 70%, 54%)
HSV	hsv(225, 74%, 86%)
CMYK	cmyk(74.1%, 55.9%, 0%, 13.7%)
CIE-LAB	lab(45.06, 28.53, -66.94)
CIE-LCH	lch(45.06, 72.77, 293.08°)
OKLab	oklab(53.69% -0.0127 -0.1931)
OKLCH	oklch(53.69% 0.193 266.2)
XYZ	xyz(18.8758, 14.5845, 69.5166)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961DC #DCB439

analogous

#39B3DC #3961DC #6339DC

triadic

#3961DC #DC3961 #61DC39

tetradic

#3961DC #DC39B3 #DCB439 #39DC63

square

#3961DC #DC39B3 #DCB439 #39DC63

split-complementary

#3961DC #DC6339 #B3DC39

monochromatic

#173283 #2045B7 #3961DC #6D8BE5 #A1B4EE

Accessibility & contrast

On white

5.36

#3961DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3961DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961DC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961DC	#FFFFFF	#000000	##FFFFFF
##3961DC	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E0

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#007F95

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3961dc;
/* rgb */ color: rgb(57, 97, 220);
/* oklch */ color: oklch(53.7% 0.193 266.2);

Tailwind

colors: {
  custom: {
    50: '#858de8',
    500: '#3961dc',
    950: '#000000',
  },
}

SCSS

$custom: #3961dc;
$custom-light: #858de8;
$custom-dark: #000000;

JSON

{
  "hex": "#3961dc",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 220
  },
  "hsl": {
    "h": 225.276,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53691,
    "c": 0.19348,
    "h": 266.2
  },
  "luminance": 0.14587
}

Semantic roles & 50–950 ramp

primary

#3961DC

secondary

#DBCA96

accent

#C13BED

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3961DC

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

Preview Lab → · Contrast checker → · Palette generator →