#3498BC#3498BC

#3498BC is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.8% C 0.105 H 226.3°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3498BC
RGB	rgb(52, 152, 188)
HSL	hsl(196, 57%, 47%)
HSV	hsv(196, 72%, 74%)
CMYK	cmyk(72.3%, 19.1%, 0%, 26.3%)
CIE-LAB	lab(58.80, -16.75, -26.96)
CIE-LCH	lch(58.80, 31.74, 238.15°)
OKLab	oklab(63.79% -0.0723 -0.0755)
OKLCH	oklch(63.79% 0.105 226.3)
XYZ	xyz(21.7178, 26.8149, 51.5984)
Luminance	0.2682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3498BC #BC5834

analogous

#34BC9C #3498BC #3454BC

triadic

#3498BC #BC3498 #98BC34

tetradic

#3498BC #9C34BC #BC5834 #54BC34

square

#3498BC #9C34BC #BC5834 #54BC34

split-complementary

#3498BC #BC3454 #BC9C34

monochromatic

#194A5C #27718C #3498BC #5BB2D2 #8BC9DF

Accessibility & contrast

On white

3.30

#3498BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#3498BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3498BC

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3498BC	#FFFFFF	#000000	##000000
##3498BC	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8595BE

Deuteranopia (green-blind)

#7288BC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3498bc;
/* rgb */ color: rgb(52, 152, 188);
/* oklch */ color: oklch(63.8% 0.105 226.3);

Tailwind

colors: {
  custom: {
    50: '#7eb6d0',
    500: '#3498bc',
    950: '#000000',
  },
}

SCSS

$custom: #3498bc;
$custom-light: #7eb6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3498bc",
  "rgb": {
    "r": 52,
    "g": 152,
    "b": 188
  },
  "hsl": {
    "h": 195.882,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.63786,
    "c": 0.10455,
    "h": 226.3
  },
  "luminance": 0.26817
}

Semantic roles & 50–950 ramp

primary

#3498BC

secondary

#C99583

accent

#7048E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3498BC

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

Preview Lab → · Contrast checker → · Palette generator →