#3498BF#3498BF

#3498BF is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.9% C 0.107 H 228.3°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3498BF
RGB	rgb(52, 152, 191)
HSL	hsl(197, 57%, 48%)
HSV	hsv(197, 73%, 75%)
CMYK	cmyk(72.8%, 20.4%, 0%, 25.1%)
CIE-LAB	lab(58.92, -15.75, -28.46)
CIE-LCH	lch(58.92, 32.53, 241.05°)
OKLab	oklab(63.92% -0.0712 -0.0798)
OKLCH	oklch(63.92% 0.107 228.3)
XYZ	xyz(22.0446, 26.9456, 53.3193)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3498BF #BF5B34

analogous

#34BFA1 #3498BF #3452BF

triadic

#3498BF #BF3498 #98BF34

tetradic

#3498BF #A134BF #BF5B34 #52BF34

square

#3498BF #A134BF #BF5B34 #52BF34

split-complementary

#3498BF #BF3452 #BFA134

monochromatic

#1A4B5F #27728F #3498BF #5DB2D3 #8DC9E0

Accessibility & contrast

On white

3.29

#3498BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3498BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3498BF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3498BF	#FFFFFF	#000000	##000000
##3498BF	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3498bf;
/* rgb */ color: rgb(52, 152, 191);
/* oklch */ color: oklch(63.9% 0.107 228.3);

Tailwind

colors: {
  custom: {
    50: '#7eb6d2',
    500: '#3498bf',
    950: '#000000',
  },
}

SCSS

$custom: #3498bf;
$custom-light: #7eb6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3498bf",
  "rgb": {
    "r": 52,
    "g": 152,
    "b": 191
  },
  "hsl": {
    "h": 196.835,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.63923,
    "c": 0.10696,
    "h": 228.3
  },
  "luminance": 0.26948
}

Semantic roles & 50–950 ramp

primary

#3498BF

secondary

#CA9884

accent

#7247E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3498BF

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

Preview Lab → · Contrast checker → · Palette generator →