#3490B2#3490B2

#3490B2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.099 H 226.6°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3490B2
RGB	rgb(52, 144, 178)
HSL	hsl(196, 55%, 45%)
HSV	hsv(196, 71%, 70%)
CMYK	cmyk(70.8%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(55.98, -15.74, -25.64)
CIE-LCH	lch(55.98, 30.09, 238.46°)
OKLab	oklab(61.39% -0.068 -0.0718)
OKLCH	oklch(61.39% 0.099 226.6)
XYZ	xyz(19.4221, 23.8887, 45.6982)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3490B2 #B25634

analogous

#34B295 #3490B2 #3451B2

triadic

#3490B2 #B23490 #90B234

tetradic

#3490B2 #9534B2 #B25634 #51B234

square

#3490B2 #9534B2 #B25634 #51B234

split-complementary

#3490B2 #B23451 #B29534

monochromatic

#184353 #266A83 #3490B2 #56ADCE #85C4DB

Accessibility & contrast

On white

3.63

#3490B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3490B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3490B2

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3490B2	#FFFFFF	#000000	##000000
##3490B2	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6C81B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3490b2;
/* rgb */ color: rgb(52, 144, 178);
/* oklch */ color: oklch(61.4% 0.099 226.6);

Tailwind

colors: {
  custom: {
    50: '#7cb0c9',
    500: '#3490b2',
    950: '#000000',
  },
}

SCSS

$custom: #3490b2;
$custom-light: #7cb0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3490b2",
  "rgb": {
    "r": 52,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 196.19,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61392,
    "c": 0.09888,
    "h": 226.6
  },
  "luminance": 0.23891
}

Semantic roles & 50–950 ramp

primary

#3490B2

secondary

#C5907D

accent

#724ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3490B2

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

Preview Lab → · Contrast checker → · Palette generator →