#3675DB#3675DB

#3675DB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.6% C 0.169 H 259.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3675DB
RGB	rgb(54, 117, 219)
HSL	hsl(217, 70%, 54%)
HSV	hsv(217, 75%, 86%)
CMYK	cmyk(75.3%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(50.24, 15.14, -58.01)
CIE-LCH	lch(50.24, 59.95, 284.63°)
OKLab	oklab(57.58% -0.0303 -0.1665)
OKLCH	oklch(57.58% 0.169 259.7)
XYZ	xyz(20.6641, 18.6190, 69.5089)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675DB #DB9C36

analogous

#36C7DB #3675DB #4936DB

triadic

#3675DB #DB3675 #75DB36

tetradic

#3675DB #DB36C7 #DB9C36 #36DB49

square

#3675DB #DB36C7 #DB9C36 #36DB49

split-complementary

#3675DB #DB4936 #C7DB36

monochromatic

#173F80 #2058B4 #3675DB #6A99E4 #9EBCEE

Accessibility & contrast

On white

4.45

#3675DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3675DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3675DB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675DB	#FFFFFF	#000000	##000000
##3675DB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E80DF

Deuteranopia (green-blind)

#1070D9

Tritanopia (blue-blind)

#008D9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3675db;
/* rgb */ color: rgb(54, 117, 219);
/* oklch */ color: oklch(57.6% 0.169 259.7);

Tailwind

colors: {
  custom: {
    50: '#839ce7',
    500: '#3675db',
    950: '#000000',
  },
}

SCSS

$custom: #3675db;
$custom-light: #839ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#3675db",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 217.091,
    "s": 69.62,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57579,
    "c": 0.16922,
    "h": 259.7
  },
  "luminance": 0.18621
}

Semantic roles & 50–950 ramp

primary

#3675DB

secondary

#DABF93

accent

#A93BEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3675DB

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

Preview Lab → · Contrast checker → · Palette generator →