#3490BC#3490BC

#3490BC is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.9% C 0.108 H 233.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3490BC
RGB	rgb(52, 144, 188)
HSL	hsl(199, 57%, 47%)
HSV	hsv(199, 72%, 74%)
CMYK	cmyk(72.3%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.39, -12.36, -30.69)
CIE-LCH	lch(56.39, 33.09, 248.06°)
OKLab	oklab(61.86% -0.0643 -0.0863)
OKLCH	oklch(61.86% 0.108 233.3)
XYZ	xyz(20.4629, 24.3051, 51.1801)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3490BC #BC6034

analogous

#34BCA4 #3490BC #344CBC

triadic

#3490BC #BC3490 #90BC34

tetradic

#3490BC #A434BC #BC6034 #4CBC34

square

#3490BC #A434BC #BC6034 #4CBC34

split-complementary

#3490BC #BC344C #BCA434

monochromatic

#19475C #276B8C #3490BC #5BABD2 #8BC4DF

Accessibility & contrast

On white

3.58

#3490BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3490BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3490BC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3490BC	#FFFFFF	#000000	##000000
##3490BC	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8FBE

Deuteranopia (green-blind)

#6881BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3490bc;
/* rgb */ color: rgb(52, 144, 188);
/* oklch */ color: oklch(61.9% 0.108 233.3);

Tailwind

colors: {
  custom: {
    50: '#7db0d0',
    500: '#3490bc',
    950: '#000000',
  },
}

SCSS

$custom: #3490bc;
$custom-light: #7db0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3490bc",
  "rgb": {
    "r": 52,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 199.412,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61861,
    "c": 0.10763,
    "h": 233.3
  },
  "luminance": 0.24307
}

Semantic roles & 50–950 ramp

primary

#3490BC

secondary

#C99983

accent

#7948E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3490BC

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

Preview Lab → · Contrast checker → · Palette generator →