#3950C7#3950C7

#3950C7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.7% C 0.186 H 269.7°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3950C7
RGB	rgb(57, 80, 199)
HSL	hsl(230, 56%, 50%)
HSV	hsv(230, 71%, 78%)
CMYK	cmyk(71.4%, 59.8%, 0%, 22%)
CIE-LAB	lab(39.12, 31.78, -64.54)
CIE-LCH	lch(39.12, 71.94, 296.21°)
OKLab	oklab(48.75% -0.0009 -0.1862)
OKLCH	oklch(48.75% 0.186 269.7)
XYZ	xyz(14.8613, 10.7292, 55.3095)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950C7 #C7B039

analogous

#3997C7 #3950C7 #6939C7

triadic

#3950C7 #C73950 #50C739

tetradic

#3950C7 #C73997 #C7B039 #39C769

square

#3950C7 #C73997 #C7B039 #39C769

split-complementary

#3950C7 #C76939 #97C739

monochromatic

#1D2A68 #2B3D98 #3950C7 #697AD4 #98A4E2

Accessibility & contrast

On white

6.67

#3950C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3950C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950C7

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950C7	#FFFFFF	#000000	##FFFFFF
##3950C7	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CB

Deuteranopia (green-blind)

#0056C5

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3950c7;
/* rgb */ color: rgb(57, 80, 199);
/* oklch */ color: oklch(48.7% 0.186 269.7);

Tailwind

colors: {
  custom: {
    50: '#8280d9',
    500: '#3950c7',
    950: '#000000',
  },
}

SCSS

$custom: #3950c7;
$custom-light: #8280d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3950c7",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 199
  },
  "hsl": {
    "h": 230.282,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48749,
    "c": 0.18625,
    "h": 269.7
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#3950C7

secondary

#CEC38E

accent

#C749DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3950C7

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

Preview Lab → · Contrast checker → · Palette generator →