#3674DB#3674DB

#3674DB is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.4% C 0.170 H 260.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3674DB
RGB	rgb(54, 116, 219)
HSL	hsl(217, 70%, 54%)
HSV	hsv(217, 75%, 86%)
CMYK	cmyk(75.3%, 47%, 0%, 14.1%)
CIE-LAB	lab(49.96, 15.77, -58.45)
CIE-LCH	lch(49.96, 60.54, 285.10°)
OKLab	oklab(57.37% -0.0295 -0.1678)
OKLCH	oklch(57.37% 0.17 260)
XYZ	xyz(20.5483, 18.3872, 69.4702)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674DB #DB9D36

analogous

#36C6DB #3674DB #4A36DB

triadic

#3674DB #DB3674 #74DB36

tetradic

#3674DB #DB36C6 #DB9D36 #36DB4A

square

#3674DB #DB36C6 #DB9D36 #36DB4A

split-complementary

#3674DB #DB4A36 #C6DB36

monochromatic

#173E80 #2058B4 #3674DB #6A98E4 #9EBCEE

Accessibility & contrast

On white

4.49

#3674DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3674DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3674DB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674DB	#FFFFFF	#000000	##000000
##3674DB	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7FDF

Deuteranopia (green-blind)

#0870D9

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3674db;
/* rgb */ color: rgb(54, 116, 219);
/* oklch */ color: oklch(57.4% 0.170 260.0);

Tailwind

colors: {
  custom: {
    50: '#839be7',
    500: '#3674db',
    950: '#000000',
  },
}

SCSS

$custom: #3674db;
$custom-light: #839be7;
$custom-dark: #000000;

JSON

{
  "hex": "#3674db",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 219
  },
  "hsl": {
    "h": 217.455,
    "s": 69.62,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57366,
    "c": 0.17038,
    "h": 260
  },
  "luminance": 0.1839
}

Semantic roles & 50–950 ramp

primary

#3674DB

secondary

#DABF93

accent

#AA3BEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3674DB

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

Preview Lab → · Contrast checker → · Palette generator →