#33B5B1#33B5B1

#33B5B1 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.4% C 0.109 H 191.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#33B5B1
RGB	rgb(51, 181, 177)
HSL	hsl(178, 56%, 45%)
HSV	hsv(178, 72%, 71%)
CMYK	cmyk(71.8%, 0%, 2.2%, 29%)
CIE-LAB	lab(67.22, -34.87, -8.05)
CIE-LCH	lch(67.22, 35.79, 192.99°)
OKLab	oklab(70.44% -0.1065 -0.0224)
OKLCH	oklch(70.44% 0.109 191.9)
XYZ	xyz(25.8213, 36.9228, 47.3524)
Luminance	0.3693 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33B5B1 #B53337

analogous

#33B570 #33B5B1 #3378B5

triadic

#33B5B1 #B133B5 #B5B133

tetradic

#33B5B1 #7033B5 #B53337 #78B533

square

#33B5B1 #7033B5 #B53337 #78B533

split-complementary

#33B5B1 #B53378 #B57033

monochromatic

#185654 #268582 #33B5B1 #56CFCC #86DDDA

Accessibility & contrast

On white

2.50

#33B5B1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#33B5B1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B5B1

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33B5B1	#FFFFFF	#000000	##000000
##33B5B1	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAACB1

Deuteranopia (green-blind)

#979EB2

Tritanopia (blue-blind)

#00BAB3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #33b5b1;
/* rgb */ color: rgb(51, 181, 177);
/* oklch */ color: oklch(70.4% 0.109 191.9);

Tailwind

colors: {
  custom: {
    50: '#7fcbc8',
    500: '#33b5b1',
    950: '#000000',
  },
}

SCSS

$custom: #33b5b1;
$custom-light: #7fcbc8;
$custom-dark: #000000;

JSON

{
  "hex": "#33b5b1",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 177
  },
  "hsl": {
    "h": 178.154,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70443,
    "c": 0.10883,
    "h": 191.9
  },
  "luminance": 0.36926
}

Semantic roles & 50–950 ramp

primary

#33B5B1

secondary

#C67D80

accent

#484DDF

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #33B5B1

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

Preview Lab → · Contrast checker → · Palette generator →