#3498B5#3498B5

#3498B5 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.5% C 0.100 H 221.1°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3498B5
RGB	rgb(52, 152, 181)
HSL	hsl(193, 55%, 46%)
HSV	hsv(193, 71%, 71%)
CMYK	cmyk(71.3%, 16%, 0%, 29%)
CIE-LAB	lab(58.53, -19.06, -23.42)
CIE-LCH	lch(58.53, 30.20, 230.87°)
OKLab	oklab(63.47% -0.075 -0.0654)
OKLCH	oklch(63.47% 0.1 221.1)
XYZ	xyz(20.9815, 26.5203, 47.7203)
Luminance	0.2652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3498B5 #B55134

analogous

#34B591 #3498B5 #3458B5

triadic

#3498B5 #B53498 #98B534

tetradic

#3498B5 #9134B5 #B55134 #58B534

square

#3498B5 #9134B5 #B55134 #58B534

split-complementary

#3498B5 #B53458 #B59134

monochromatic

#194856 #267085 #3498B5 #57B4CF #87C9DC

Accessibility & contrast

On white

3.33

#3498B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#3498B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3498B5

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3498B5	#FFFFFF	#000000	##000000
##3498B5	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8794B7

Deuteranopia (green-blind)

#7587B5

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3498b5;
/* rgb */ color: rgb(52, 152, 181);
/* oklch */ color: oklch(63.5% 0.100 221.1);

Tailwind

colors: {
  custom: {
    50: '#7db6cb',
    500: '#3498b5',
    950: '#000000',
  },
}

SCSS

$custom: #3498b5;
$custom-light: #7db6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3498b5",
  "rgb": {
    "r": 52,
    "g": 152,
    "b": 181
  },
  "hsl": {
    "h": 193.488,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.63474,
    "c": 0.09951,
    "h": 221.1
  },
  "luminance": 0.26523
}

Semantic roles & 50–950 ramp

primary

#3498B5

secondary

#C68F7F

accent

#6B49DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3498B5

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

Preview Lab → · Contrast checker → · Palette generator →