#3955AC#3955AC

#3955AC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.143 H 267.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3955AC
RGB	rgb(57, 85, 172)
HSL	hsl(225, 50%, 45%)
HSV	hsv(225, 67%, 67%)
CMYK	cmyk(66.9%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(38.45, 18.74, -49.79)
CIE-LCH	lch(38.45, 53.20, 290.62°)
OKLab	oklab(47.62% -0.0066 -0.1428)
OKLCH	oklch(47.62% 0.143 267.4)
XYZ	xyz(12.3797, 10.3442, 40.3660)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955AC #AC9039

analogous

#398FAC #3955AC #5639AC

triadic

#3955AC #AC3955 #55AC39

tetradic

#3955AC #AC398F #AC9039 #39AC56

square

#3955AC #AC398F #AC9039 #39AC56

split-complementary

#3955AC #AC5639 #8FAC39

monochromatic

#1B2850 #2A3E7E #3955AC #5A75C8 #889BD8

Accessibility & contrast

On white

6.84

#3955AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3955AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955AC

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955AC	#FFFFFF	#000000	##FFFFFF
##3955AC	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2460AF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3955ac;
/* rgb */ color: rgb(57, 85, 172);
/* oklch */ color: oklch(47.6% 0.143 267.4);

Tailwind

colors: {
  custom: {
    50: '#7c84c5',
    500: '#3955ac',
    950: '#000000',
  },
}

SCSS

$custom: #3955ac;
$custom-light: #7c84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3955ac",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 225.391,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47621,
    "c": 0.14295,
    "h": 267.4
  },
  "luminance": 0.10345
}

Semantic roles & 50–950 ramp

primary

#3955AC

secondary

#C2B17F

accent

#B84EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3955AC

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

Preview Lab → · Contrast checker → · Palette generator →