#3475D1#3475D1

#3475D1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.8% C 0.157 H 257.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3475D1
RGB	rgb(52, 117, 209)
HSL	hsl(215, 63%, 51%)
HSV	hsv(215, 75%, 82%)
CMYK	cmyk(75.1%, 44%, 0%, 18%)
CIE-LAB	lab(49.56, 11.20, -53.42)
CIE-LCH	lch(49.56, 54.59, 281.84°)
OKLab	oklab(56.84% -0.0334 -0.153)
OKLCH	oklch(56.84% 0.157 257.7)
XYZ	xyz(19.2819, 18.0539, 62.7778)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3475D1 #D19034

analogous

#34C3D1 #3475D1 #4134D1

triadic

#3475D1 #D13475 #75D134

tetradic

#3475D1 #D134C3 #D19034 #34D141

square

#3475D1 #D134C3 #D19034 #34D141

split-complementary

#3475D1 #D14134 #C3D134

monochromatic

#1A3E71 #2559A3 #3475D1 #6697DC #98B9E8

Accessibility & contrast

On white

4.55

#3475D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3475D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3475D1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3475D1	#FFFFFF	#000000	##000000
##3475D1	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)

#467ED5

Deuteranopia (green-blind)

#276FCF

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3475d1;
/* rgb */ color: rgb(52, 117, 209);
/* oklch */ color: oklch(56.8% 0.157 257.7);

Tailwind

colors: {
  custom: {
    50: '#819ce0',
    500: '#3475d1',
    950: '#000000',
  },
}

SCSS

$custom: #3475d1;
$custom-light: #819ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3475d1",
  "rgb": {
    "r": 52,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 215.159,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56841,
    "c": 0.15663,
    "h": 257.7
  },
  "luminance": 0.18056
}

Semantic roles & 50–950 ramp

primary

#3475D1

secondary

#D3B68E

accent

#A242E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3475D1

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

Preview Lab → · Contrast checker → · Palette generator →