#3953B7#3953B7

#3953B7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.161 H 268.6°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3953B7
RGB	rgb(57, 83, 183)
HSL	hsl(228, 53%, 47%)
HSV	hsv(228, 69%, 72%)
CMYK	cmyk(68.9%, 54.6%, 0%, 28.2%)
CIE-LAB	lab(38.68, 24.05, -55.91)
CIE-LCH	lch(38.68, 60.87, 293.28°)
OKLab	oklab(48.04% -0.0038 -0.1608)
OKLCH	oklch(48.04% 0.161 268.6)
XYZ	xyz(13.3249, 10.4740, 46.1100)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953B7 #B79D39

analogous

#3992B7 #3953B7 #5E39B7

triadic

#3953B7 #B73953 #53B739

tetradic

#3953B7 #B73992 #B79D39 #39B75E

square

#3953B7 #B73992 #B79D39 #39B75E

split-complementary

#3953B7 #B75E39 #92B739

monochromatic

#1C295A #2A3E88 #3953B7 #6076CD #8E9EDC

Accessibility & contrast

On white

6.79

#3953B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3953B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953B7

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953B7	#FFFFFF	#000000	##FFFFFF
##3953B7	1.00	6.79	3.10	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0161BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3953b7;
/* rgb */ color: rgb(57, 83, 183);
/* oklch */ color: oklch(48.0% 0.161 268.6);

Tailwind

colors: {
  custom: {
    50: '#7e83cd',
    500: '#3953b7',
    950: '#000000',
  },
}

SCSS

$custom: #3953b7;
$custom-light: #7e83cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3953b7",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 183
  },
  "hsl": {
    "h": 227.619,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48038,
    "c": 0.1609,
    "h": 268.6
  },
  "luminance": 0.10475
}

Semantic roles & 50–950 ramp

primary

#3953B7

secondary

#C7B985

accent

#BE4CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3953B7

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

Preview Lab → · Contrast checker → · Palette generator →