#3955CA#3955CA

#3955CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.184 H 268.6°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3955CA
RGB	rgb(57, 85, 202)
HSL	hsl(228, 58%, 51%)
HSV	hsv(228, 72%, 79%)
CMYK	cmyk(71.8%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(40.62, 29.66, -63.84)
CIE-LCH	lch(40.62, 70.39, 294.92°)
OKLab	oklab(49.94% -0.0046 -0.1841)
OKLCH	oklch(49.94% 0.184 268.6)
XYZ	xyz(15.5928, 11.6295, 57.2886)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955CA #CAAE39

analogous

#399DCA #3955CA #6539CA

triadic

#3955CA #CA3955 #55CA39

tetradic

#3955CA #CA399D #CAAE39 #39CA65

square

#3955CA #CA399D #CAAE39 #39CA65

split-complementary

#3955CA #CA6539 #9DCA39

monochromatic

#1D2C6C #2A409C #3955CA #697ED7 #9AA8E4

Accessibility & contrast

On white

6.31

#3955CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3955CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955CA

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955CA	#FFFFFF	#000000	##FFFFFF
##3955CA	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3955ca;
/* rgb */ color: rgb(57, 85, 202);
/* oklch */ color: oklch(49.9% 0.184 268.6);

Tailwind

colors: {
  custom: {
    50: '#8284db',
    500: '#3955ca',
    950: '#000000',
  },
}

SCSS

$custom: #3955ca;
$custom-light: #8284db;
$custom-dark: #000000;

JSON

{
  "hex": "#3955ca",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 228.414,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4994,
    "c": 0.18417,
    "h": 268.6
  },
  "luminance": 0.11631
}

Semantic roles & 50–950 ramp

primary

#3955CA

secondary

#D0C38F

accent

#C347E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3955CA

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

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