#3490B8#3490B8

#3490B8 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.7% C 0.104 H 230.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3490B8
RGB	rgb(52, 144, 184)
HSL	hsl(198, 56%, 46%)
HSV	hsv(198, 72%, 72%)
CMYK	cmyk(71.7%, 21.7%, 0%, 27.8%)
CIE-LAB	lab(56.22, -13.72, -28.68)
CIE-LCH	lch(56.22, 31.79, 244.43°)
OKLab	oklab(61.67% -0.0657 -0.0805)
OKLCH	oklch(61.67% 0.104 230.8)
XYZ	xyz(20.0377, 24.1350, 48.9406)
Luminance	0.2414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3490B8 #B85C34

analogous

#34B89E #3490B8 #344EB8

triadic

#3490B8 #B83490 #90B834

tetradic

#3490B8 #9E34B8 #B85C34 #4EB834

square

#3490B8 #9E34B8 #B85C34 #4EB834

split-complementary

#3490B8 #B8344E #B89E34

monochromatic

#194559 #276B88 #3490B8 #59ACD0 #89C4DE

Accessibility & contrast

On white

3.60

#3490B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#3490B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3490B8

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3490B8	#FFFFFF	#000000	##000000
##3490B8	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EBA

Deuteranopia (green-blind)

#6A81B7

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3490b8;
/* rgb */ color: rgb(52, 144, 184);
/* oklch */ color: oklch(61.7% 0.104 230.8);

Tailwind

colors: {
  custom: {
    50: '#7db0cd',
    500: '#3490b8',
    950: '#000000',
  },
}

SCSS

$custom: #3490b8;
$custom-light: #7db0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3490b8",
  "rgb": {
    "r": 52,
    "g": 144,
    "b": 184
  },
  "hsl": {
    "h": 198.182,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.6167,
    "c": 0.10395,
    "h": 230.8
  },
  "luminance": 0.24137
}

Semantic roles & 50–950 ramp

primary

#3490B8

secondary

#C89680

accent

#7649DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3490B8

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

Preview Lab → · Contrast checker → · Palette generator →