#3A75CD#3A75CD

#3A75CD is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.149 H 258.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A75CD
RGB	rgb(58, 117, 205)
HSL	hsl(216, 60%, 52%)
HSV	hsv(216, 72%, 80%)
CMYK	cmyk(71.7%, 42.9%, 0%, 19.6%)
CIE-LAB	lab(49.53, 10.52, -51.18)
CIE-LCH	lch(49.53, 52.25, 281.61°)
OKLab	oklab(56.8% -0.0301 -0.1464)
OKLCH	oklch(56.8% 0.149 258.4)
XYZ	xyz(19.1217, 18.0278, 60.2177)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75CD #CD923A

analogous

#3ABFCD #3A75CD #493ACD

triadic

#3A75CD #CD3A75 #75CD3A

tetradic

#3A75CD #CD3ABF #CD923A #3ACD49

square

#3A75CD #CD3ABF #CD923A #3ACD49

split-complementary

#3A75CD #CD493A #BFCD3A

monochromatic

#1C3E70 #2959A1 #3A75CD #6B97D9 #9CB9E6

Accessibility & contrast

On white

4.56

#3A75CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3A75CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75CD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75CD	#FFFFFF	#000000	##000000
##3A75CD	1.00	4.56	4.61	4.61
#FFFFFF	4.56	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)

#306FCB

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a75cd;
/* rgb */ color: rgb(58, 117, 205);
/* oklch */ color: oklch(56.8% 0.149 258.4);

Tailwind

colors: {
  custom: {
    50: '#829cdd',
    500: '#3a75cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a75cd;
$custom-light: #829cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75cd",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 205
  },
  "hsl": {
    "h": 215.918,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56798,
    "c": 0.14943,
    "h": 258.4
  },
  "luminance": 0.1803
}

Semantic roles & 50–950 ramp

primary

#3A75CD

secondary

#D2B891

accent

#A345E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75CD

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

Preview Lab → · Contrast checker → · Palette generator →