#3955DA#3955DA

#3955DA is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.3% C 0.205 H 268.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3955DA
RGB	rgb(57, 85, 218)
HSL	hsl(230, 69%, 54%)
HSV	hsv(230, 74%, 85%)
CMYK	cmyk(73.9%, 61%, 0%, 14.5%)
CIE-LAB	lab(41.89, 35.40, -70.97)
CIE-LCH	lch(41.89, 79.31, 296.51°)
OKLab	oklab(51.28% -0.0045 -0.2051)
OKLCH	oklch(51.28% 0.205 268.7)
XYZ	xyz(17.5864, 12.4269, 67.7879)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955DA #DABE39

analogous

#39A6DA #3955DA #6E39DA

triadic

#3955DA #DA3955 #55DA39

tetradic

#3955DA #DA39A6 #DABE39 #39DA6E

square

#3955DA #DA39A6 #DABE39 #39DA6E

split-complementary

#3955DA #DA6E39 #A6DA39

monochromatic

#182A81 #223BB4 #3955DA #6D81E4 #A0AEED

Accessibility & contrast

On white

6.02

#3955DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3955DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955DA

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955DA	#FFFFFF	#000000	##FFFFFF
##3955DA	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDE

Deuteranopia (green-blind)

#005BD7

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3955da;
/* rgb */ color: rgb(57, 85, 218);
/* oklch */ color: oklch(51.3% 0.205 268.7);

Tailwind

colors: {
  custom: {
    50: '#8684e6',
    500: '#3955da',
    950: '#000000',
  },
}

SCSS

$custom: #3955da;
$custom-light: #8684e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3955da",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 218
  },
  "hsl": {
    "h": 229.565,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51275,
    "c": 0.20511,
    "h": 268.7
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#3955DA

secondary

#DACE95

accent

#CD3CEB

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3955DA

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

Preview Lab → · Contrast checker → · Palette generator →