#3958CC#3958CC

#3958CC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.183 H 267.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3958CC
RGB	rgb(57, 88, 204)
HSL	hsl(227, 59%, 51%)
HSV	hsv(227, 72%, 80%)
CMYK	cmyk(72.1%, 56.9%, 0%, 20%)
CIE-LAB	lab(41.54, 28.46, -63.49)
CIE-LCH	lch(41.54, 69.58, 294.14°)
OKLab	oklab(50.68% -0.0068 -0.1831)
OKLCH	oklch(50.68% 0.183 267.9)
XYZ	xyz(16.0724, 12.2073, 58.6242)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3958CC #CCAD39

analogous

#39A1CC #3958CC #6339CC

triadic

#3958CC #CC3958 #58CC39

tetradic

#3958CC #CC39A1 #CCAD39 #39CC63

square

#3958CC #CC39A1 #CCAD39 #39CC63

split-complementary

#3958CC #CC6339 #A1CC39

monochromatic

#1C2E6E #29429F #3958CC #6A81D9 #9AAAE5

Accessibility & contrast

On white

6.10

#3958CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3958CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3958CC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3958CC	#FFFFFF	#000000	##FFFFFF
##3958CC	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3958cc;
/* rgb */ color: rgb(57, 88, 204);
/* oklch */ color: oklch(50.7% 0.183 267.9);

Tailwind

colors: {
  custom: {
    50: '#8386dc',
    500: '#3958cc',
    950: '#000000',
  },
}

SCSS

$custom: #3958cc;
$custom-light: #8386dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3958cc",
  "rgb": {
    "r": 57,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 227.347,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50678,
    "c": 0.18319,
    "h": 267.9
  },
  "luminance": 0.12209
}

Semantic roles & 50–950 ramp

primary

#3958CC

secondary

#D1C390

accent

#C146E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3958CC

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

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