#3953B4#3953B4

#3953B4 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.157 H 268.5°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3953B4
RGB	rgb(57, 83, 180)
HSL	hsl(227, 52%, 46%)
HSV	hsv(227, 68%, 71%)
CMYK	cmyk(68.3%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(38.46, 22.96, -54.50)
CIE-LCH	lch(38.46, 59.14, 292.85°)
OKLab	oklab(47.81% -0.004 -0.1567)
OKLCH	oklch(47.81% 0.157 268.5)
XYZ	xyz(13.0160, 10.3504, 44.4830)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953B4 #B49A39

analogous

#3991B4 #3953B4 #5D39B4

triadic

#3953B4 #B43953 #53B439

tetradic

#3953B4 #B43991 #B49A39 #39B45D

square

#3953B4 #B43991 #B49A39 #39B45D

split-complementary

#3953B4 #B45D39 #91B439

monochromatic

#1C2857 #2A3E86 #3953B4 #5E75CC #8D9DDB

Accessibility & contrast

On white

6.84

#3953B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3953B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953B4

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953B4	#FFFFFF	#000000	##FFFFFF
##3953B4	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)

#0C60B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3953b4;
/* rgb */ color: rgb(57, 83, 180);
/* oklch */ color: oklch(47.8% 0.157 268.5);

Tailwind

colors: {
  custom: {
    50: '#7e83cb',
    500: '#3953b4',
    950: '#000000',
  },
}

SCSS

$custom: #3953b4;
$custom-light: #7e83cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3953b4",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 227.317,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47807,
    "c": 0.15673,
    "h": 268.5
  },
  "luminance": 0.10352
}

Semantic roles & 50–950 ramp

primary

#3953B4

secondary

#C5B783

accent

#BD4CDB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3953B4

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

Preview Lab → · Contrast checker → · Palette generator →