#3955BA#3955BA

#3955BA is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.163 H 268.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3955BA
RGB	rgb(57, 85, 186)
HSL	hsl(227, 53%, 48%)
HSV	hsv(227, 69%, 73%)
CMYK	cmyk(69.4%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(39.43, 23.85, -56.46)
CIE-LCH	lch(39.43, 61.29, 292.90°)
OKLab	oklab(48.67% -0.0053 -0.1624)
OKLCH	oklch(48.67% 0.163 268.1)
XYZ	xyz(13.7957, 10.9107, 47.8238)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955BA #BA9E39

analogous

#3995BA #3955BA #5E39BA

triadic

#3955BA #BA3955 #55BA39

tetradic

#3955BA #BA3995 #BA9E39 #39BA5E

square

#3955BA #BA3995 #BA9E39 #39BA5E

split-complementary

#3955BA #BA5E39 #95BA39

monochromatic

#1C2A5C #2B408B #3955BA #6179CF #90A1DD

Accessibility & contrast

On white

6.60

#3955BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3955BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955BA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955BA	#FFFFFF	#000000	##FFFFFF
##3955BA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0463BE

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3955ba;
/* rgb */ color: rgb(57, 85, 186);
/* oklch */ color: oklch(48.7% 0.163 268.1);

Tailwind

colors: {
  custom: {
    50: '#7f84cf',
    500: '#3955ba',
    950: '#000000',
  },
}

SCSS

$custom: #3955ba;
$custom-light: #7f84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3955ba",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 226.977,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48671,
    "c": 0.16251,
    "h": 268.1
  },
  "luminance": 0.10912
}

Semantic roles & 50–950 ramp

primary

#3955BA

secondary

#C8BA87

accent

#BD4BDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3955BA

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

Preview Lab → · Contrast checker → · Palette generator →