#33B5B0#33B5B0

#33B5B0 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.4% C 0.109 H 191.1°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#33B5B0
RGB	rgb(51, 181, 176)
HSL	hsl(178, 56%, 45%)
HSV	hsv(178, 72%, 71%)
CMYK	cmyk(71.8%, 0%, 2.8%, 29%)
CIE-LAB	lab(67.19, -35.16, -7.54)
CIE-LCH	lch(67.19, 35.96, 192.10°)
OKLab	oklab(70.41% -0.1069 -0.021)
OKLCH	oklch(70.41% 0.109 191.1)
XYZ	xyz(25.7220, 36.8831, 46.8294)
Luminance	0.3689 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33B5B0 #B53338

analogous

#33B56F #33B5B0 #3379B5

triadic

#33B5B0 #B033B5 #B5B033

tetradic

#33B5B0 #6F33B5 #B53338 #79B533

square

#33B5B0 #6F33B5 #B53338 #79B533

split-complementary

#33B5B0 #B53379 #B56F33

monochromatic

#185653 #268582 #33B5B0 #56CFCB #86DDD9

Accessibility & contrast

On white

2.51

#33B5B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#33B5B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B5B0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33B5B0	#FFFFFF	#000000	##000000
##33B5B0	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAACB0

Deuteranopia (green-blind)

#979EB1

Tritanopia (blue-blind)

#00BAB3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #33b5b0;
/* rgb */ color: rgb(51, 181, 176);
/* oklch */ color: oklch(70.4% 0.109 191.1);

Tailwind

colors: {
  custom: {
    50: '#7fcbc7',
    500: '#33b5b0',
    950: '#000000',
  },
}

SCSS

$custom: #33b5b0;
$custom-light: #7fcbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#33b5b0",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 176
  },
  "hsl": {
    "h": 177.692,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70409,
    "c": 0.10899,
    "h": 191.1
  },
  "luminance": 0.36886
}

Semantic roles & 50–950 ramp

primary

#33B5B0

secondary

#C67D80

accent

#484EDF

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #33B5B0

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

Preview Lab → · Contrast checker → · Palette generator →