#3FA4B9#3FA4B9

#3FA4B9 is a light, moderate cyan. Relative luminance 0.311; OKLCH L 66.9% C 0.097 H 214.0°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#3FA4B9
RGB	rgb(63, 164, 185)
HSL	hsl(190, 49%, 49%)
HSV	hsv(190, 66%, 73%)
CMYK	cmyk(65.9%, 11.4%, 0%, 27.5%)
CIE-LAB	lab(62.60, -22.41, -19.43)
CIE-LCH	lch(62.60, 29.66, 220.92°)
OKLab	oklab(66.88% -0.0801 -0.054)
OKLCH	oklch(66.88% 0.097 214)
XYZ	xyz(24.0787, 31.1078, 50.6250)
Luminance	0.3111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA4B9 #B9543F

analogous

#3FB991 #3FA4B9 #3F67B9

triadic

#3FA4B9 #B93FA4 #A4B93F

tetradic

#3FA4B9 #913FB9 #B9543F #67B93F

square

#3FA4B9 #913FB9 #B9543F #67B93F

split-complementary

#3FA4B9 #B93F67 #B9913F

monochromatic

#20535E #2F7C8B #3FA4B9 #69BBCC #97D0DC

Accessibility & contrast

On white

2.91

#3FA4B9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#3FA4B9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA4B9

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA4B9	#FFFFFF	#000000	##000000
##3FA4B9	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#959FBA

Deuteranopia (green-blind)

#8392B9

Tritanopia (blue-blind)

#00ACAA

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #3fa4b9;
/* rgb */ color: rgb(63, 164, 185);
/* oklch */ color: oklch(66.9% 0.097 214.0);

Tailwind

colors: {
  custom: {
    50: '#82bfce',
    500: '#3fa4b9',
    950: '#000000',
  },
}

SCSS

$custom: #3fa4b9;
$custom-light: #82bfce;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa4b9",
  "rgb": {
    "r": 63,
    "g": 164,
    "b": 185
  },
  "hsl": {
    "h": 190.328,
    "s": 49.194,
    "l": 48.627
  },
  "oklch": {
    "l": 0.66875,
    "c": 0.09659,
    "h": 214
  },
  "luminance": 0.3111
}

Semantic roles & 50–950 ramp

primary

#3FA4B9

secondary

#C7978D

accent

#674FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #3FA4B9

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

Preview Lab → · Contrast checker → · Palette generator →