#3A75D1#3A75D1

#3A75D1 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.155 H 259.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A75D1
RGB	rgb(58, 117, 209)
HSL	hsl(217, 62%, 52%)
HSV	hsv(217, 72%, 82%)
CMYK	cmyk(72.2%, 44%, 0%, 18%)
CIE-LAB	lab(49.77, 11.98, -53.08)
CIE-LCH	lch(49.77, 54.42, 282.72°)
OKLab	oklab(57.06% -0.0293 -0.1519)
OKLCH	oklch(57.06% 0.155 259.1)
XYZ	xyz(19.6107, 18.2234, 62.7932)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75D1 #D1963A

analogous

#3AC1D1 #3A75D1 #4A3AD1

triadic

#3A75D1 #D13A75 #75D13A

tetradic

#3A75D1 #D13AC1 #D1963A #3AD14A

square

#3A75D1 #D13AC1 #D1963A #3AD14A

split-complementary

#3A75D1 #D14A3A #C1D13A

monochromatic

#1B3E75 #2759A7 #3A75D1 #6C98DD #9DBBE8

Accessibility & contrast

On white

4.52

#3A75D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3A75D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75D1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75D1	#FFFFFF	#000000	##000000
##3A75D1	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ED5

Deuteranopia (green-blind)

#2A70CF

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a75d1;
/* rgb */ color: rgb(58, 117, 209);
/* oklch */ color: oklch(57.1% 0.155 259.1);

Tailwind

colors: {
  custom: {
    50: '#839ce0',
    500: '#3a75d1',
    950: '#000000',
  },
}

SCSS

$custom: #3a75d1;
$custom-light: #839ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75d1",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 216.556,
    "s": 62.14,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57057,
    "c": 0.15476,
    "h": 259.1
  },
  "luminance": 0.18226
}

Semantic roles & 50–950 ramp

primary

#3A75D1

secondary

#D4BB93

accent

#A643E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75D1

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

Preview Lab → · Contrast checker → · Palette generator →