#3958CE#3958CE

#3958CE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.186 H 267.9°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3958CE
RGB	rgb(57, 88, 206)
HSL	hsl(228, 60%, 52%)
HSV	hsv(228, 72%, 81%)
CMYK	cmyk(72.3%, 57.3%, 0%, 19.2%)
CIE-LAB	lab(41.69, 29.19, -64.40)
CIE-LCH	lch(41.69, 70.70, 294.38°)
OKLab	oklab(50.84% -0.0067 -0.1857)
OKLCH	oklch(50.84% 0.186 267.9)
XYZ	xyz(16.3138, 12.3038, 59.8957)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958CE #CEAF39

analogous

#39A3CE #3958CE #6539CE

triadic

#3958CE #CE3958 #58CE39

tetradic

#3958CE #CE39A3 #CEAF39 #39CE65

square

#3958CE #CE39A3 #CEAF39 #39CE65

split-complementary

#3958CE #CE6539 #A3CE39

monochromatic

#1C2E71 #2841A2 #3958CE #6A81DA #9BABE6

Accessibility & contrast

On white

6.07

#3958CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3958CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958CE

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958CE	#FFFFFF	#000000	##FFFFFF
##3958CE	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3958ce;
/* rgb */ color: rgb(57, 88, 206);
/* oklch */ color: oklch(50.8% 0.186 267.9);

Tailwind

colors: {
  custom: {
    50: '#8386de',
    500: '#3958ce',
    950: '#000000',
  },
}

SCSS

$custom: #3958ce;
$custom-light: #8386de;
$custom-dark: #000000;

JSON

{
  "hex": "#3958ce",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 227.517,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50838,
    "c": 0.18584,
    "h": 267.9
  },
  "luminance": 0.12306
}

Semantic roles & 50–950 ramp

primary

#3958CE

secondary

#D2C591

accent

#C244E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3958CE

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

Preview Lab → · Contrast checker → · Palette generator →