#3F97BC#3F97BC

#3F97BC is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.9% C 0.100 H 229.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F97BC
RGB	rgb(63, 151, 188)
HSL	hsl(198, 50%, 49%)
HSV	hsv(198, 66%, 74%)
CMYK	cmyk(66.5%, 19.7%, 0%, 26.3%)
CIE-LAB	lab(58.81, -14.56, -26.93)
CIE-LCH	lch(58.81, 30.61, 241.59°)
OKLab	oklab(63.87% -0.0653 -0.0754)
OKLCH	oklch(63.87% 0.1 229.1)
XYZ	xyz(22.1900, 26.8184, 51.5742)
Luminance	0.2682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F97BC #BC643F

analogous

#3FBCA3 #3F97BC #3F59BC

triadic

#3F97BC #BC3F97 #97BC3F

tetradic

#3F97BC #A33FBC #BC643F #59BC3F

square

#3F97BC #A33FBC #BC643F #59BC3F

split-complementary

#3F97BC #BC3F59 #BCA33F

monochromatic

#204D60 #30728E #3F97BC #6BB0CD #99C9DD

Accessibility & contrast

On white

3.30

#3F97BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#3F97BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97BC

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F97BC	#FFFFFF	#000000	##000000
##3F97BC	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)

#8495BE

Deuteranopia (green-blind)

#7388BC

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3f97bc;
/* rgb */ color: rgb(63, 151, 188);
/* oklch */ color: oklch(63.9% 0.100 229.1);

Tailwind

colors: {
  custom: {
    50: '#82b5d0',
    500: '#3f97bc',
    950: '#000000',
  },
}

SCSS

$custom: #3f97bc;
$custom-light: #82b5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f97bc",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 188
  },
  "hsl": {
    "h": 197.76,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.63874,
    "c": 0.09973,
    "h": 229.1
  },
  "luminance": 0.26821
}

Semantic roles & 50–950 ramp

primary

#3F97BC

secondary

#C9A08E

accent

#784ED9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F97BC

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

Preview Lab → · Contrast checker → · Palette generator →