#3958C4#3958C4

#3958C4 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.172 H 267.6°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3958C4
RGB	rgb(57, 88, 196)
HSL	hsl(227, 55%, 50%)
HSV	hsv(227, 71%, 77%)
CMYK	cmyk(70.9%, 55.1%, 0%, 23.1%)
CIE-LAB	lab(40.95, 25.55, -59.83)
CIE-LCH	lch(40.95, 65.05, 293.13°)
OKLab	oklab(50.04% -0.0072 -0.1723)
OKLCH	oklch(50.04% 0.172 267.6)
XYZ	xyz(15.1374, 11.8333, 53.7001)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958C4 #C4A539

analogous

#399DC4 #3958C4 #6039C4

triadic

#3958C4 #C43958 #58C439

tetradic

#3958C4 #C4399D #C4A539 #39C460

square

#3958C4 #C4399D #C4A539 #39C460

split-complementary

#3958C4 #C46039 #9DC439

monochromatic

#1D2D65 #2B4395 #3958C4 #677FD3 #97A7E1

Accessibility & contrast

On white

6.24

#3958C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3958C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958C4

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958C4	#FFFFFF	#000000	##FFFFFF
##3958C4	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C8

Deuteranopia (green-blind)

#005AC2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3958c4;
/* rgb */ color: rgb(57, 88, 196);
/* oklch */ color: oklch(50.0% 0.172 267.6);

Tailwind

colors: {
  custom: {
    50: '#8186d7',
    500: '#3958c4',
    950: '#000000',
  },
}

SCSS

$custom: #3958c4;
$custom-light: #8186d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3958c4",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 196
  },
  "hsl": {
    "h": 226.619,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50045,
    "c": 0.17243,
    "h": 267.6
  },
  "luminance": 0.11835
}

Semantic roles & 50–950 ramp

primary

#3958C4

secondary

#CCBE8D

accent

#BD4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3958C4

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

Preview Lab → · Contrast checker → · Palette generator →