#3953BF#3953BF

#3953BF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.172 H 268.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3953BF
RGB	rgb(57, 83, 191)
HSL	hsl(228, 54%, 49%)
HSV	hsv(228, 70%, 75%)
CMYK	cmyk(70.2%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(39.27, 26.96, -59.64)
CIE-LCH	lch(39.27, 65.45, 294.33°)
OKLab	oklab(48.67% -0.0034 -0.1718)
OKLCH	oklch(48.67% 0.172 268.9)
XYZ	xyz(14.1813, 10.8165, 50.6205)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953BF #BFA539

analogous

#3996BF #3953BF #6239BF

triadic

#3953BF #BF3953 #53BF39

tetradic

#3953BF #BF3996 #BFA539 #39BF62

square

#3953BF #BF3996 #BFA539 #39BF62

split-complementary

#3953BF #BF6239 #96BF39

monochromatic

#1D2A61 #2B3F90 #3953BF #6479D1 #93A2DF

Accessibility & contrast

On white

6.64

#3953BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3953BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953BF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953BF	#FFFFFF	#000000	##FFFFFF
##3953BF	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3953bf;
/* rgb */ color: rgb(57, 83, 191);
/* oklch */ color: oklch(48.7% 0.172 268.9);

Tailwind

colors: {
  custom: {
    50: '#8083d3',
    500: '#3953bf',
    950: '#000000',
  },
}

SCSS

$custom: #3953bf;
$custom-light: #8083d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3953bf",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 228.358,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48667,
    "c": 0.17184,
    "h": 268.9
  },
  "luminance": 0.10818
}

Semantic roles & 50–950 ramp

primary

#3953BF

secondary

#CABE8A

accent

#C14ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3953BF

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

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