#3953BC#3953BC

#3953BC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.168 H 268.8°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3953BC
RGB	rgb(57, 83, 188)
HSL	hsl(228, 53%, 48%)
HSV	hsv(228, 70%, 74%)
CMYK	cmyk(69.7%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(39.05, 25.87, -58.25)
CIE-LCH	lch(39.05, 63.74, 293.95°)
OKLab	oklab(48.43% -0.0035 -0.1677)
OKLCH	oklch(48.43% 0.168 268.8)
XYZ	xyz(13.8546, 10.6858, 48.8996)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953BC #BCA239

analogous

#3994BC #3953BC #6139BC

triadic

#3953BC #BC3953 #53BC39

tetradic

#3953BC #BC3994 #BCA239 #39BC61

square

#3953BC #BC3994 #BCA239 #39BC61

split-complementary

#3953BC #BC6139 #94BC39

monochromatic

#1D2A5E #2B3E8D #3953BC #6378D0 #92A1DE

Accessibility & contrast

On white

6.69

#3953BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3953BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953BC

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953BC	#FFFFFF	#000000	##FFFFFF
##3953BC	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3953bc;
/* rgb */ color: rgb(57, 83, 188);
/* oklch */ color: oklch(48.4% 0.168 268.8);

Tailwind

colors: {
  custom: {
    50: '#8083d1',
    500: '#3953bc',
    950: '#000000',
  },
}

SCSS

$custom: #3953bc;
$custom-light: #8083d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3953bc",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 228.092,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48429,
    "c": 0.16776,
    "h": 268.8
  },
  "luminance": 0.10687
}

Semantic roles & 50–950 ramp

primary

#3953BC

secondary

#C9BC88

accent

#C04BDD

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3953BC

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

Preview Lab → · Contrast checker → · Palette generator →