#3953B3#3953B3

#3953B3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.155 H 268.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3953B3
RGB	rgb(57, 83, 179)
HSL	hsl(227, 52%, 46%)
HSV	hsv(227, 68%, 70%)
CMYK	cmyk(68.2%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.39, 22.60, -54.03)
CIE-LCH	lch(38.39, 58.56, 292.70°)
OKLab	oklab(47.73% -0.0041 -0.1553)
OKLCH	oklch(47.73% 0.155 268.5)
XYZ	xyz(12.9145, 10.3098, 43.9485)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953B3 #B39939

analogous

#3990B3 #3953B3 #5C39B3

triadic

#3953B3 #B33953 #53B339

tetradic

#3953B3 #B33990 #B39939 #39B35C

square

#3953B3 #B33990 #B39939 #39B35C

split-complementary

#3953B3 #B35C39 #90B339

monochromatic

#1B2856 #2A3D85 #3953B3 #5E75CC #8C9DDA

Accessibility & contrast

On white

6.86

#3953B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3953B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953B3

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953B3	#FFFFFF	#000000	##FFFFFF
##3953B3	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F60B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3953b3;
/* rgb */ color: rgb(57, 83, 179);
/* oklch */ color: oklch(47.7% 0.155 268.5);

Tailwind

colors: {
  custom: {
    50: '#7e83ca',
    500: '#3953b3',
    950: '#000000',
  },
}

SCSS

$custom: #3953b3;
$custom-light: #7e83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3953b3",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 227.213,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4773,
    "c": 0.15534,
    "h": 268.5
  },
  "luminance": 0.10311
}

Semantic roles & 50–950 ramp

primary

#3953B3

secondary

#C5B783

accent

#BD4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3953B3

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

Preview Lab → · Contrast checker → · Palette generator →