#3950B9#3950B9

#3950B9 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.167 H 269.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3950B9
RGB	rgb(57, 80, 185)
HSL	hsl(229, 53%, 47%)
HSV	hsv(229, 69%, 73%)
CMYK	cmyk(69.2%, 56.8%, 0%, 27.5%)
CIE-LAB	lab(38.04, 26.73, -58.13)
CIE-LCH	lch(38.04, 63.98, 294.69°)
OKLab	oklab(47.6% -0.0012 -0.1674)
OKLCH	oklch(47.6% 0.167 269.6)
XYZ	xyz(13.3100, 10.1087, 47.1393)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950B9 #B9A239

analogous

#3990B9 #3950B9 #6239B9

triadic

#3950B9 #B93950 #50B939

tetradic

#3950B9 #B93990 #B9A239 #39B962

square

#3950B9 #B93990 #B9A239 #39B962

split-complementary

#3950B9 #B96239 #90B939

monochromatic

#1C285B #2B3C8A #3950B9 #6175CE #909EDD

Accessibility & contrast

On white

6.95

#3950B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3950B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950B9

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950B9	#FFFFFF	#000000	##FFFFFF
##3950B9	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BD

Deuteranopia (green-blind)

#0054B7

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3950b9;
/* rgb */ color: rgb(57, 80, 185);
/* oklch */ color: oklch(47.6% 0.167 269.6);

Tailwind

colors: {
  custom: {
    50: '#7f80cf',
    500: '#3950b9',
    950: '#000000',
  },
}

SCSS

$custom: #3950b9;
$custom-light: #7f80cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3950b9",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 185
  },
  "hsl": {
    "h": 229.219,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47602,
    "c": 0.16741,
    "h": 269.6
  },
  "luminance": 0.1011
}

Semantic roles & 50–950 ramp

primary

#3950B9

secondary

#C8BC86

accent

#C24BDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3950B9

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

Preview Lab → · Contrast checker → · Palette generator →