#3950B2#3950B2

#3950B2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.158 H 269.5°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3950B2
RGB	rgb(57, 80, 178)
HSL	hsl(229, 51%, 46%)
HSV	hsv(229, 68%, 70%)
CMYK	cmyk(68%, 55.1%, 0%, 30.2%)
CIE-LAB	lab(37.52, 24.19, -54.85)
CIE-LCH	lch(37.52, 59.95, 293.80°)
OKLab	oklab(47.05% -0.0015 -0.1578)
OKLCH	oklch(47.05% 0.158 269.5)
XYZ	xyz(12.5891, 9.8203, 43.3429)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950B2 #B29B39

analogous

#398CB2 #3950B2 #5E39B2

triadic

#3950B2 #B23950 #50B239

tetradic

#3950B2 #B2398C #B29B39 #39B25E

square

#3950B2 #B2398C #B29B39 #39B25E

split-complementary

#3950B2 #B25E39 #8CB239

monochromatic

#1B2655 #2A3B84 #3950B2 #5D72CB #8B9ADA

Accessibility & contrast

On white

7.08

#3950B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3950B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3950B2

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950B2	#FFFFFF	#000000	##FFFFFF
##3950B2	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3950b2;
/* rgb */ color: rgb(57, 80, 178);
/* oklch */ color: oklch(47.0% 0.158 269.5);

Tailwind

colors: {
  custom: {
    50: '#7e80ca',
    500: '#3950b2',
    950: '#000000',
  },
}

SCSS

$custom: #3950b2;
$custom-light: #7e80ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3950b2",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 178
  },
  "hsl": {
    "h": 228.595,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47049,
    "c": 0.15777,
    "h": 269.5
  },
  "luminance": 0.09822
}

Semantic roles & 50–950 ramp

primary

#3950B2

secondary

#C4B882

accent

#C04DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3950B2

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

Preview Lab → · Contrast checker → · Palette generator →