#3F97BF#3F97BF

#3F97BF is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.102 H 231.1°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F97BF
RGB	rgb(63, 151, 191)
HSL	hsl(199, 50%, 50%)
HSV	hsv(199, 67%, 75%)
CMYK	cmyk(67%, 20.9%, 0%, 25.1%)
CIE-LAB	lab(58.93, -13.58, -28.43)
CIE-LCH	lch(58.93, 31.51, 244.47°)
OKLab	oklab(64.01% -0.0642 -0.0797)
OKLCH	oklch(64.01% 0.102 231.1)
XYZ	xyz(22.5168, 26.9491, 53.2951)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F97BF #BF673F

analogous

#3FBFA7 #3F97BF #3F57BF

triadic

#3F97BF #BF3F97 #97BF3F

tetradic

#3F97BF #A73FBF #BF673F #57BF3F

square

#3F97BF #A73FBF #BF673F #57BF3F

split-complementary

#3F97BF #BF3F57 #BFA73F

monochromatic

#214E63 #307391 #3F97BF #6DB0CF #9BC9DE

Accessibility & contrast

On white

3.29

#3F97BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#3F97BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97BF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F97BF	#FFFFFF	#000000	##000000
##3F97BF	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)

#8395C1

Deuteranopia (green-blind)

#7188BE

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3f97bf;
/* rgb */ color: rgb(63, 151, 191);
/* oklch */ color: oklch(64.0% 0.102 231.1);

Tailwind

colors: {
  custom: {
    50: '#82b5d2',
    500: '#3f97bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f97bf;
$custom-light: #82b5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f97bf",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 198.75,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.64011,
    "c": 0.10234,
    "h": 231.1
  },
  "luminance": 0.26952
}

Semantic roles & 50–950 ramp

primary

#3F97BF

secondary

#CAA290

accent

#7A4EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F97BF

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

Preview Lab → · Contrast checker → · Palette generator →