#3958D0#3958D0

#3958D0 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.189 H 268.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3958D0
RGB	rgb(57, 88, 208)
HSL	hsl(228, 62%, 52%)
HSV	hsv(228, 73%, 82%)
CMYK	cmyk(72.6%, 57.7%, 0%, 18.4%)
CIE-LAB	lab(41.85, 29.91, -65.30)
CIE-LCH	lch(41.85, 71.83, 294.61°)
OKLab	oklab(51% -0.0067 -0.1884)
OKLCH	oklch(51% 0.189 268)
XYZ	xyz(16.5583, 12.4016, 61.1834)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958D0 #D0B139

analogous

#39A4D0 #3958D0 #6639D0

triadic

#3958D0 #D03958 #58D039

tetradic

#3958D0 #D039A4 #D0B139 #39D066

square

#3958D0 #D039A4 #D0B139 #39D066

split-complementary

#3958D0 #D06639 #A4D039

monochromatic

#1B2D73 #2741A5 #3958D0 #6A82DC #9CABE7

Accessibility & contrast

On white

6.03

#3958D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3958D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958D0

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958D0	#FFFFFF	#000000	##FFFFFF
##3958D0	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD4

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3958d0;
/* rgb */ color: rgb(57, 88, 208);
/* oklch */ color: oklch(51.0% 0.189 268.0);

Tailwind

colors: {
  custom: {
    50: '#8386df',
    500: '#3958d0',
    950: '#000000',
  },
}

SCSS

$custom: #3958d0;
$custom-light: #8386df;
$custom-dark: #000000;

JSON

{
  "hex": "#3958d0",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 208
  },
  "hsl": {
    "h": 227.682,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51,
    "c": 0.1885,
    "h": 268
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#3958D0

secondary

#D3C691

accent

#C443E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3958D0

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

Preview Lab → · Contrast checker → · Palette generator →