#3956A8#3956A8

#3956A8 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.136 H 266.6°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3956A8
RGB	rgb(57, 86, 168)
HSL	hsl(224, 49%, 44%)
HSV	hsv(224, 66%, 66%)
CMYK	cmyk(66.1%, 48.8%, 0%, 34.1%)
CIE-LAB	lab(38.47, 16.63, -47.40)
CIE-LCH	lch(38.47, 50.23, 289.33°)
OKLab	oklab(47.55% -0.0081 -0.1357)
OKLCH	oklch(47.55% 0.136 266.6)
XYZ	xyz(12.0806, 10.3515, 38.3996)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956A8 #A88B39

analogous

#398EA8 #3956A8 #5439A8

triadic

#3956A8 #A83956 #56A839

tetradic

#3956A8 #A8398E #A88B39 #39A854

square

#3956A8 #A8398E #A88B39 #39A854

split-complementary

#3956A8 #A85439 #8EA839

monochromatic

#1A274D #293F7A #3956A8 #5875C6 #869BD6

Accessibility & contrast

On white

6.84

#3956A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3956A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956A8

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956A8	#FFFFFF	#000000	##FFFFFF
##3956A8	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B60AB

Deuteranopia (green-blind)

#1256A6

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3956a8;
/* rgb */ color: rgb(57, 86, 168);
/* oklch */ color: oklch(47.5% 0.136 266.6);

Tailwind

colors: {
  custom: {
    50: '#7b85c2',
    500: '#3956a8',
    950: '#000000',
  },
}

SCSS

$custom: #3956a8;
$custom-light: #7b85c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3956a8",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 168
  },
  "hsl": {
    "h": 224.324,
    "s": 49.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47546,
    "c": 0.13598,
    "h": 266.6
  },
  "luminance": 0.10353
}

Semantic roles & 50–950 ramp

primary

#3956A8

secondary

#C0AE7D

accent

#B54FD9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3956A8

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

Preview Lab → · Contrast checker → · Palette generator →