#3B75BF#3B75BF

#3B75BF is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 56.0% C 0.130 H 255.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B75BF
RGB	rgb(59, 117, 191)
HSL	hsl(214, 53%, 49%)
HSV	hsv(214, 69%, 75%)
CMYK	cmyk(69.1%, 38.7%, 0%, 25.1%)
CIE-LAB	lab(48.78, 5.60, -44.36)
CIE-LCH	lch(48.78, 44.72, 277.19°)
OKLab	oklab(55.97% -0.0324 -0.1263)
OKLCH	oklch(55.97% 0.13 255.6)
XYZ	xyz(17.5655, 17.4121, 51.7153)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B75BF #BF853B

analogous

#3BB7BF #3B75BF #433BBF

triadic

#3B75BF #BF3B75 #75BF3B

tetradic

#3B75BF #BF3BB7 #BF853B #3BBF43

square

#3B75BF #BF3BB7 #BF853B #3BBF43

split-complementary

#3B75BF #BF433B #B7BF3B

monochromatic

#1E3C61 #2D5890 #3B75BF #6795D0 #96B6DF

Accessibility & contrast

On white

4.68

#3B75BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3B75BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B75BF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B75BF	#FFFFFF	#000000	##FFFFFF
##3B75BF	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537BC2

Deuteranopia (green-blind)

#3F6EBE

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b75bf;
/* rgb */ color: rgb(59, 117, 191);
/* oklch */ color: oklch(56.0% 0.130 255.6);

Tailwind

colors: {
  custom: {
    50: '#809cd3',
    500: '#3b75bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b75bf;
$custom-light: #809cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b75bf",
  "rgb": {
    "r": 59,
    "g": 117,
    "b": 191
  },
  "hsl": {
    "h": 213.636,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55965,
    "c": 0.13042,
    "h": 255.6
  },
  "luminance": 0.17414
}

Semantic roles & 50–950 ramp

primary

#3B75BF

secondary

#CAAF8C

accent

#9D4CDC

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3B75BF

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

Preview Lab → · Contrast checker → · Palette generator →