#3674B9#3674B9

#3674B9 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.125 H 253.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3674B9
RGB	rgb(54, 116, 185)
HSL	hsl(212, 55%, 47%)
HSV	hsv(212, 71%, 73%)
CMYK	cmyk(70.8%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(47.98, 3.28, -42.18)
CIE-LCH	lch(47.98, 42.31, 274.44°)
OKLab	oklab(55.19% -0.0364 -0.12)
OKLCH	oklch(55.19% 0.125 253.1)
XYZ	xyz(16.5204, 16.7761, 48.2570)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674B9 #B97B36

analogous

#36B6B9 #3674B9 #3936B9

triadic

#3674B9 #B93674 #74B936

tetradic

#3674B9 #B936B6 #B97B36 #36B939

square

#3674B9 #B936B6 #B97B36 #36B939

split-complementary

#3674B9 #B93936 #B6B936

monochromatic

#1A395A #28568A #3674B9 #5D93D0 #8CB3DD

Accessibility & contrast

On white

4.82

#3674B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3674B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3674B9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674B9	#FFFFFF	#000000	##FFFFFF
##3674B9	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BC

Deuteranopia (green-blind)

#416CB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3674b9;
/* rgb */ color: rgb(54, 116, 185);
/* oklch */ color: oklch(55.2% 0.125 253.1);

Tailwind

colors: {
  custom: {
    50: '#7d9bce',
    500: '#3674b9',
    950: '#000000',
  },
}

SCSS

$custom: #3674b9;
$custom-light: #7d9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3674b9",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 211.603,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55186,
    "c": 0.12543,
    "h": 253.1
  },
  "luminance": 0.16778
}

Semantic roles & 50–950 ramp

primary

#3674B9

secondary

#C8A783

accent

#984ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3674B9

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

Preview Lab → · Contrast checker → · Palette generator →