#3950B6#3950B6

#3950B6 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.163 H 269.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3950B6
RGB	rgb(57, 80, 182)
HSL	hsl(229, 52%, 47%)
HSV	hsv(229, 69%, 71%)
CMYK	cmyk(68.7%, 56%, 0%, 28.6%)
CIE-LAB	lab(37.81, 25.64, -56.73)
CIE-LCH	lch(37.81, 62.26, 294.32°)
OKLab	oklab(47.36% -0.0013 -0.1633)
OKLCH	oklch(47.36% 0.163 269.5)
XYZ	xyz(12.9966, 9.9833, 45.4889)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950B6 #B69F39

analogous

#398FB6 #3950B6 #6139B6

triadic

#3950B6 #B63950 #50B639

tetradic

#3950B6 #B6398F #B69F39 #39B661

square

#3950B6 #B6398F #B69F39 #39B661

split-complementary

#3950B6 #B66139 #8FB639

monochromatic

#1C2759 #2A3C87 #3950B6 #5F73CD #8E9CDC

Accessibility & contrast

On white

7.01

#3950B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3950B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950B6

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950B6	#FFFFFF	#000000	##FFFFFF
##3950B6	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBA

Deuteranopia (green-blind)

#0054B4

Tritanopia (blue-blind)

#00697B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3950b6;
/* rgb */ color: rgb(57, 80, 182);
/* oklch */ color: oklch(47.4% 0.163 269.5);

Tailwind

colors: {
  custom: {
    50: '#7e80cd',
    500: '#3950b6',
    950: '#000000',
  },
}

SCSS

$custom: #3950b6;
$custom-light: #7e80cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3950b6",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 182
  },
  "hsl": {
    "h": 228.96,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47363,
    "c": 0.1633,
    "h": 269.5
  },
  "luminance": 0.09985
}

Semantic roles & 50–950 ramp

primary

#3950B6

secondary

#C6BA85

accent

#C14CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3950B6

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

Preview Lab → · Contrast checker → · Palette generator →