#3675D0#3675D0

#3675D0 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.8% C 0.155 H 258.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3675D0
RGB	rgb(54, 117, 208)
HSL	hsl(215, 62%, 51%)
HSV	hsv(215, 74%, 82%)
CMYK	cmyk(74%, 43.8%, 0%, 18.4%)
CIE-LAB	lab(49.57, 11.08, -52.84)
CIE-LCH	lch(49.57, 53.99, 281.84°)
OKLab	oklab(56.85% -0.0323 -0.1513)
OKLCH	oklch(56.85% 0.155 258)
XYZ	xyz(19.2636, 18.0588, 62.1327)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675D0 #D09136

analogous

#36C2D0 #3675D0 #4436D0

triadic

#3675D0 #D03675 #75D036

tetradic

#3675D0 #D036C2 #D09136 #36D044

square

#3675D0 #D036C2 #D09136 #36D044

split-complementary

#3675D0 #D04436 #C2D036

monochromatic

#1A3E71 #2659A3 #3675D0 #6897DC #99B9E7

Accessibility & contrast

On white

4.55

#3675D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3675D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3675D0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675D0	#FFFFFF	#000000	##000000
##3675D0	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)

#477DD3

Deuteranopia (green-blind)

#2A6FCE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3675d0;
/* rgb */ color: rgb(54, 117, 208);
/* oklch */ color: oklch(56.8% 0.155 258.0);

Tailwind

colors: {
  custom: {
    50: '#819cdf',
    500: '#3675d0',
    950: '#000000',
  },
}

SCSS

$custom: #3675d0;
$custom-light: #819cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3675d0",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 208
  },
  "hsl": {
    "h": 215.455,
    "s": 62.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56845,
    "c": 0.15469,
    "h": 258
  },
  "luminance": 0.18061
}

Semantic roles & 50–950 ramp

primary

#3675D0

secondary

#D3B78F

accent

#A343E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3675D0

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

Preview Lab → · Contrast checker → · Palette generator →