#3F99AA#3F99AA

#3F99AA is a light, moderate teal. Relative luminance 0.267; OKLCH L 63.6% C 0.088 H 212.1°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F99AA
RGB	rgb(63, 153, 170)
HSL	hsl(190, 46%, 46%)
HSV	hsv(190, 63%, 67%)
CMYK	cmyk(62.9%, 10%, 0%, 33.3%)
CIE-LAB	lab(58.73, -21.33, -16.85)
CIE-LCH	lch(58.73, 27.18, 218.31°)
OKLab	oklab(63.59% -0.0745 -0.0467)
OKLCH	oklch(63.59% 0.088 212.1)
XYZ	xyz(20.6938, 26.7393, 42.0930)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F99AA #AA503F

analogous

#3FAA85 #3F99AA #3F63AA

triadic

#3F99AA #AA3F99 #99AA3F

tetradic

#3F99AA #853FAA #AA503F #63AA3F

square

#3F99AA #853FAA #AA503F #63AA3F

split-complementary

#3F99AA #AA3F63 #AA853F

monochromatic

#1E4951 #2E717D #3F99AA #62B5C5 #8ECAD5

Accessibility & contrast

On white

3.31

#3F99AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#3F99AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F99AA

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F99AA	#FFFFFF	#000000	##000000
##3F99AA	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C94AB

Deuteranopia (green-blind)

#7C88AA

Tritanopia (blue-blind)

#00A09E

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3f99aa;
/* rgb */ color: rgb(63, 153, 170);
/* oklch */ color: oklch(63.6% 0.088 212.1);

Tailwind

colors: {
  custom: {
    50: '#80b7c3',
    500: '#3f99aa',
    950: '#000000',
  },
}

SCSS

$custom: #3f99aa;
$custom-light: #80b7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f99aa",
  "rgb": {
    "r": 63,
    "g": 153,
    "b": 170
  },
  "hsl": {
    "h": 189.533,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.63591,
    "c": 0.08796,
    "h": 212.1
  },
  "luminance": 0.26742
}

Semantic roles & 50–950 ramp

primary

#3F99AA

secondary

#C08E85

accent

#6752D6

background

#F8FBFB

surface

#EFF6F7

border

#CAD0D0

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3F99AA

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

Preview Lab → · Contrast checker → · Palette generator →