#3674D0#3674D0

#3674D0 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.156 H 258.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3674D0
RGB	rgb(54, 116, 208)
HSL	hsl(216, 62%, 51%)
HSV	hsv(216, 74%, 82%)
CMYK	cmyk(74%, 44.2%, 0%, 18.4%)
CIE-LAB	lab(49.29, 11.71, -53.29)
CIE-LCH	lch(49.29, 54.56, 282.39°)
OKLab	oklab(56.63% -0.0314 -0.1526)
OKLCH	oklch(56.63% 0.156 258.4)
XYZ	xyz(19.1477, 17.8270, 62.0941)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674D0 #D09236

analogous

#36C1D0 #3674D0 #4536D0

triadic

#3674D0 #D03674 #74D036

tetradic

#3674D0 #D036C1 #D09236 #36D045

square

#3674D0 #D036C1 #D09236 #36D045

split-complementary

#3674D0 #D04536 #C1D036

monochromatic

#1A3D71 #2658A3 #3674D0 #6896DC #99B9E7

Accessibility & contrast

On white

4.60

#3674D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3674D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3674D0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674D0	#FFFFFF	#000000	##FFFFFF
##3674D0	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#276FCE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3674d0;
/* rgb */ color: rgb(54, 116, 208);
/* oklch */ color: oklch(56.6% 0.156 258.4);

Tailwind

colors: {
  custom: {
    50: '#819bdf',
    500: '#3674d0',
    950: '#000000',
  },
}

SCSS

$custom: #3674d0;
$custom-light: #819bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3674d0",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 208
  },
  "hsl": {
    "h": 215.844,
    "s": 62.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56627,
    "c": 0.15583,
    "h": 258.4
  },
  "luminance": 0.17829
}

Semantic roles & 50–950 ramp

primary

#3674D0

secondary

#D3B88F

accent

#A443E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3674D0

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

Preview Lab → · Contrast checker → · Palette generator →