#3690B2#3690B2

#3690B2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.5% C 0.098 H 226.9°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3690B2
RGB	rgb(54, 144, 178)
HSL	hsl(196, 53%, 45%)
HSV	hsv(196, 70%, 70%)
CMYK	cmyk(69.7%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(56.03, -15.44, -25.56)
CIE-LCH	lch(56.03, 29.86, 238.85°)
OKLab	oklab(61.45% -0.0669 -0.0715)
OKLCH	oklch(61.45% 0.098 226.9)
XYZ	xyz(19.5272, 23.9430, 45.7032)
Luminance	0.2394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3690B2 #B25836

analogous

#36B296 #3690B2 #3652B2

triadic

#3690B2 #B23690 #90B236

tetradic

#3690B2 #9636B2 #B25836 #52B236

square

#3690B2 #9636B2 #B25836 #52B236

split-complementary

#3690B2 #B23652 #B29636

monochromatic

#1A4454 #286A83 #3690B2 #59ADCD #88C4DB

Accessibility & contrast

On white

3.63

#3690B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3690B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3690B2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3690B2	#FFFFFF	#000000	##000000
##3690B2	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3690b2;
/* rgb */ color: rgb(54, 144, 178);
/* oklch */ color: oklch(61.5% 0.098 226.9);

Tailwind

colors: {
  custom: {
    50: '#7cb0c9',
    500: '#3690b2',
    950: '#000000',
  },
}

SCSS

$custom: #3690b2;
$custom-light: #7cb0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3690b2",
  "rgb": {
    "r": 54,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 196.452,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.6145,
    "c": 0.09795,
    "h": 226.9
  },
  "luminance": 0.23945
}

Semantic roles & 50–950 ramp

primary

#3690B2

secondary

#C5927F

accent

#734BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3690B2

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

Preview Lab → · Contrast checker → · Palette generator →