#3B75CF#3B75CF

#3B75CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.152 H 259.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B75CF
RGB	rgb(59, 117, 207)
HSL	hsl(216, 61%, 52%)
HSV	hsv(216, 71%, 81%)
CMYK	cmyk(71.5%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.68, 11.39, -52.08)
CIE-LCH	lch(49.68, 53.31, 282.34°)
OKLab	oklab(56.97% -0.029 -0.149)
OKLCH	oklch(56.97% 0.152 259)
XYZ	xyz(19.4233, 18.1553, 61.5001)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B75CF #CF953B

analogous

#3BBFCF #3B75CF #4B3BCF

triadic

#3B75CF #CF3B75 #75CF3B

tetradic

#3B75CF #CF3BBF #CF953B #3BCF4B

square

#3B75CF #CF3BBF #CF953B #3BCF4B

split-complementary

#3B75CF #CF4B3B #BFCF3B

monochromatic

#1C3E73 #2859A5 #3B75CF #6C98DB #9DBAE7

Accessibility & contrast

On white

4.53

#3B75CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3B75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B75CF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B75CF	#FFFFFF	#000000	##000000
##3B75CF	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497DD2

Deuteranopia (green-blind)

#2E70CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b75cf;
/* rgb */ color: rgb(59, 117, 207);
/* oklch */ color: oklch(57.0% 0.152 259.0);

Tailwind

colors: {
  custom: {
    50: '#839cde',
    500: '#3b75cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b75cf;
$custom-light: #839cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b75cf",
  "rgb": {
    "r": 59,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 216.486,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56965,
    "c": 0.15177,
    "h": 259
  },
  "luminance": 0.18157
}

Semantic roles & 50–950 ramp

primary

#3B75CF

secondary

#D3BA93

accent

#A544E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B75CF

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

Preview Lab → · Contrast checker → · Palette generator →