#3B75D3#3B75D3

#3B75D3 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.2% C 0.157 H 259.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3B75D3
RGB	rgb(59, 117, 211)
HSL	hsl(217, 63%, 53%)
HSV	hsv(217, 72%, 83%)
CMYK	cmyk(72%, 44.5%, 0%, 17.3%)
CIE-LAB	lab(49.92, 12.84, -53.97)
CIE-LCH	lch(49.92, 55.48, 283.39°)
OKLab	oklab(57.23% -0.0283 -0.1545)
OKLCH	oklch(57.23% 0.157 259.6)
XYZ	xyz(19.9185, 18.3534, 64.1082)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B75D3 #D3993B

analogous

#3BC1D3 #3B75D3 #4D3BD3

triadic

#3B75D3 #D33B75 #75D33B

tetradic

#3B75D3 #D33BC1 #D3993B #3BD34D

square

#3B75D3 #D33BC1 #D3993B #3BD34D

split-complementary

#3B75D3 #D34D3B #C1D33B

monochromatic

#1B3F79 #2659AB #3B75D3 #6D98DE #9FBBE9

Accessibility & contrast

On white

4.50

#3B75D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#3B75D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B75D3

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B75D3	#FFFFFF	#000000	##000000
##3B75D3	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ED7

Deuteranopia (green-blind)

#2770D1

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3b75d3;
/* rgb */ color: rgb(59, 117, 211);
/* oklch */ color: oklch(57.2% 0.157 259.6);

Tailwind

colors: {
  custom: {
    50: '#839ce1',
    500: '#3b75d3',
    950: '#000000',
  },
}

SCSS

$custom: #3b75d3;
$custom-light: #839ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b75d3",
  "rgb": {
    "r": 59,
    "g": 117,
    "b": 211
  },
  "hsl": {
    "h": 217.105,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57226,
    "c": 0.15711,
    "h": 259.6
  },
  "luminance": 0.18356
}

Semantic roles & 50–950 ramp

primary

#3B75D3

secondary

#D6BD94

accent

#A741E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B75D3

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

Preview Lab → · Contrast checker → · Palette generator →