#3498B2#3498B2

#3498B2 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.3% C 0.098 H 218.7°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3498B2
RGB	rgb(52, 152, 178)
HSL	hsl(192, 55%, 45%)
HSV	hsv(192, 71%, 70%)
CMYK	cmyk(70.8%, 14.6%, 0%, 30.2%)
CIE-LAB	lab(58.41, -20.03, -21.90)
CIE-LCH	lch(58.41, 29.68, 227.55°)
OKLab	oklab(63.35% -0.0762 -0.0611)
OKLCH	oklch(63.35% 0.098 218.7)
XYZ	xyz(20.6770, 26.3985, 46.1165)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3498B2 #B24E34

analogous

#34B28D #3498B2 #3459B2

triadic

#3498B2 #B23498 #98B234

tetradic

#3498B2 #8D34B2 #B24E34 #59B234

square

#3498B2 #8D34B2 #B24E34 #59B234

split-complementary

#3498B2 #B23459 #B28D34

monochromatic

#184753 #267083 #3498B2 #56B5CE #85CADB

Accessibility & contrast

On white

3.34

#3498B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3498B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3498B2

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3498B2	#FFFFFF	#000000	##000000
##3498B2	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B3

Deuteranopia (green-blind)

#7687B2

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3498b2;
/* rgb */ color: rgb(52, 152, 178);
/* oklch */ color: oklch(63.3% 0.098 218.7);

Tailwind

colors: {
  custom: {
    50: '#7cb6c9',
    500: '#3498b2',
    950: '#000000',
  },
}

SCSS

$custom: #3498b2;
$custom-light: #7cb6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3498b2",
  "rgb": {
    "r": 52,
    "g": 152,
    "b": 178
  },
  "hsl": {
    "h": 192.381,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63345,
    "c": 0.09764,
    "h": 218.7
  },
  "luminance": 0.26401
}

Semantic roles & 50–950 ramp

primary

#3498B2

secondary

#C58C7D

accent

#684ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3498B2

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

Preview Lab → · Contrast checker → · Palette generator →