#3677D5#3677D5

#3677D5 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.159 H 258.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3677D5
RGB	rgb(54, 119, 213)
HSL	hsl(215, 65%, 52%)
HSV	hsv(215, 75%, 84%)
CMYK	cmyk(74.6%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(50.43, 11.68, -54.30)
CIE-LCH	lch(50.43, 55.54, 282.14°)
OKLab	oklab(57.61% -0.033 -0.1555)
OKLCH	oklch(57.61% 0.159 258)
XYZ	xyz(20.1240, 18.7797, 65.5021)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677D5 #D59436

analogous

#36C6D5 #3677D5 #4536D5

triadic

#3677D5 #D53677 #77D536

tetradic

#3677D5 #D536C6 #D59436 #36D545

square

#3677D5 #D536C6 #D59436 #36D545

split-complementary

#3677D5 #D54536 #C6D536

monochromatic

#194078 #245BAA #3677D5 #6999E0 #9BBCEA

Accessibility & contrast

On white

4.42

#3677D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3677D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677D5

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677D5	#FFFFFF	#000000	##000000
##3677D5	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4780D9

Deuteranopia (green-blind)

#2771D3

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3677d5;
/* rgb */ color: rgb(54, 119, 213);
/* oklch */ color: oklch(57.6% 0.159 258.0);

Tailwind

colors: {
  custom: {
    50: '#829de2',
    500: '#3677d5',
    950: '#000000',
  },
}

SCSS

$custom: #3677d5;
$custom-light: #829de2;
$custom-dark: #000000;

JSON

{
  "hex": "#3677d5",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 215.472,
    "s": 65.432,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57607,
    "c": 0.15902,
    "h": 258
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary

#3677D5

secondary

#D6BA91

accent

#A33FE8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3677D5

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

Preview Lab → · Contrast checker → · Palette generator →