#3B75CD#3B75CD

#3B75CD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.8% C 0.149 H 258.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B75CD
RGB	rgb(59, 117, 205)
HSL	hsl(216, 59%, 52%)
HSV	hsv(216, 71%, 80%)
CMYK	cmyk(71.2%, 42.9%, 0%, 19.6%)
CIE-LAB	lab(49.57, 10.66, -51.12)
CIE-LCH	lch(49.57, 52.22, 281.78°)
OKLab	oklab(56.84% -0.0294 -0.1462)
OKLCH	oklch(56.84% 0.149 258.6)
XYZ	xyz(19.1804, 18.0581, 60.2205)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B75CD #CD933B

analogous

#3BBECD #3B75CD #4A3BCD

triadic

#3B75CD #CD3B75 #75CD3B

tetradic

#3B75CD #CD3BBE #CD933B #3BCD4A

square

#3B75CD #CD3BBE #CD933B #3BCD4A

split-complementary

#3B75CD #CD4A3B #BECD3B

monochromatic

#1D3E71 #2959A2 #3B75CD #6C97D9 #9DBAE6

Accessibility & contrast

On white

4.55

#3B75CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3B75CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B75CD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B75CD	#FFFFFF	#000000	##000000
##3B75CD	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7DD0

Deuteranopia (green-blind)

#3070CB

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b75cd;
/* rgb */ color: rgb(59, 117, 205);
/* oklch */ color: oklch(56.8% 0.149 258.6);

Tailwind

colors: {
  custom: {
    50: '#829cdd',
    500: '#3b75cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b75cd;
$custom-light: #829cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b75cd",
  "rgb": {
    "r": 59,
    "g": 117,
    "b": 205
  },
  "hsl": {
    "h": 216.164,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56836,
    "c": 0.1491,
    "h": 258.6
  },
  "luminance": 0.1806
}

Semantic roles & 50–950 ramp

primary

#3B75CD

secondary

#D2B892

accent

#A445E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B75CD

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

Preview Lab → · Contrast checker → · Palette generator →