#3498BB#3498BB

#3498BB is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.7% C 0.104 H 225.6°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3498BB
RGB	rgb(52, 152, 187)
HSL	hsl(196, 56%, 47%)
HSV	hsv(196, 72%, 73%)
CMYK	cmyk(72.2%, 18.7%, 0%, 26.7%)
CIE-LAB	lab(58.76, -17.08, -26.45)
CIE-LCH	lch(58.76, 31.49, 237.15°)
OKLab	oklab(63.74% -0.0727 -0.0741)
OKLCH	oklch(63.74% 0.104 225.6)
XYZ	xyz(21.6104, 26.7719, 51.0326)
Luminance	0.2677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3498BB #BB5734

analogous

#34BB9B #3498BB #3454BB

triadic

#3498BB #BB3498 #98BB34

tetradic

#3498BB #9B34BB #BB5734 #54BB34

square

#3498BB #9B34BB #BB5734 #54BB34

split-complementary

#3498BB #BB3454 #BB9B34

monochromatic

#194A5B #27718B #3498BB #5BB3D1 #8BC9DF

Accessibility & contrast

On white

3.30

#3498BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#3498BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3498BB

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3498BB	#FFFFFF	#000000	##000000
##3498BB	1.00	3.30	6.35	6.35
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BD

Deuteranopia (green-blind)

#7288BB

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3498bb;
/* rgb */ color: rgb(52, 152, 187);
/* oklch */ color: oklch(63.7% 0.104 225.6);

Tailwind

colors: {
  custom: {
    50: '#7eb6cf',
    500: '#3498bb',
    950: '#000000',
  },
}

SCSS

$custom: #3498bb;
$custom-light: #7eb6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3498bb",
  "rgb": {
    "r": 52,
    "g": 152,
    "b": 187
  },
  "hsl": {
    "h": 195.556,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.6374,
    "c": 0.10377,
    "h": 225.6
  },
  "luminance": 0.26774
}

Semantic roles & 50–950 ramp

primary

#3498BB

secondary

#C99482

accent

#6F48E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3498BB

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

Preview Lab → · Contrast checker → · Palette generator →