#3955CD#3955CD

#3955CD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.188 H 268.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3955CD
RGB	rgb(57, 85, 205)
HSL	hsl(229, 60%, 51%)
HSV	hsv(229, 72%, 80%)
CMYK	cmyk(72.2%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(40.85, 30.74, -65.19)
CIE-LCH	lch(40.85, 72.08, 295.25°)
OKLab	oklab(50.19% -0.0045 -0.1881)
OKLCH	oklch(50.19% 0.188 268.6)
XYZ	xyz(15.9515, 11.7730, 59.1775)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955CD #CDB139

analogous

#399FCD #3955CD #6739CD

triadic

#3955CD #CD3955 #55CD39

tetradic

#3955CD #CD399F #CDB139 #39CD67

square

#3955CD #CD399F #CDB139 #39CD67

split-complementary

#3955CD #CD6739 #9FCD39

monochromatic

#1C2C6F #283FA0 #3955CD #6A7FD9 #9BA9E6

Accessibility & contrast

On white

6.26

#3955CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3955CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955CD

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955CD	#FFFFFF	#000000	##FFFFFF
##3955CD	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#005ACB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3955cd;
/* rgb */ color: rgb(57, 85, 205);
/* oklch */ color: oklch(50.2% 0.188 268.6);

Tailwind

colors: {
  custom: {
    50: '#8384dd',
    500: '#3955cd',
    950: '#000000',
  },
}

SCSS

$custom: #3955cd;
$custom-light: #8384dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3955cd",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 228.649,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50186,
    "c": 0.18816,
    "h": 268.6
  },
  "luminance": 0.11775
}

Semantic roles & 50–950 ramp

primary

#3955CD

secondary

#D2C590

accent

#C545E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3955CD

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

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