#3950DB#3950DB

#3950DB is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.5% C 0.212 H 269.6°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3950DB
RGB	rgb(57, 80, 219)
HSL	hsl(231, 69%, 54%)
HSV	hsv(231, 74%, 86%)
CMYK	cmyk(74%, 63.5%, 0%, 14.1%)
CIE-LAB	lab(40.77, 38.88, -73.37)
CIE-LCH	lch(40.77, 83.04, 297.92°)
OKLab	oklab(50.48% -0.0014 -0.2121)
OKLCH	oklch(50.48% 0.212 269.6)
XYZ	xyz(17.3378, 11.7198, 68.3525)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950DB #DBC439

analogous

#39A1DB #3950DB #7339DB

triadic

#3950DB #DB3950 #50DB39

tetradic

#3950DB #DB39A1 #DBC439 #39DB73

square

#3950DB #DB39A1 #DBC439 #39DB73

split-complementary

#3950DB #DB7339 #A1DB39

monochromatic

#182782 #2136B6 #3950DB #6D7EE4 #A1ACEE

Accessibility & contrast

On white

6.28

#3950DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3950DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950DB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950DB	#FFFFFF	#000000	##FFFFFF
##3950DB	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DF

Deuteranopia (green-blind)

#0059D8

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3950db;
/* rgb */ color: rgb(57, 80, 219);
/* oklch */ color: oklch(50.5% 0.212 269.6);

Tailwind

colors: {
  custom: {
    50: '#8681e7',
    500: '#3950db',
    950: '#000000',
  },
}

SCSS

$custom: #3950db;
$custom-light: #8681e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3950db",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 219
  },
  "hsl": {
    "h": 231.481,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50475,
    "c": 0.21214,
    "h": 269.6
  },
  "luminance": 0.11722
}

Semantic roles & 50–950 ramp

primary

#3950DB

secondary

#DAD195

accent

#D33CEC

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3950DB

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

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