#33B5D7#33B5D7

#33B5D7 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 71.9% C 0.118 H 219.8°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#33B5D7
RGB	rgb(51, 181, 215)
HSL	hsl(192, 67%, 52%)
HSV	hsv(192, 76%, 84%)
CMYK	cmyk(76.3%, 15.8%, 0%, 15.7%)
CIE-LAB	lab(68.50, -23.23, -27.05)
CIE-LCH	lch(68.50, 35.65, 229.35°)
OKLab	oklab(71.9% -0.0907 -0.0756)
OKLCH	oklch(71.9% 0.118 219.8)
XYZ	xyz(30.1497, 38.6542, 70.1488)
Luminance	0.3866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33B5D7 #D75533

analogous

#33D7A7 #33B5D7 #3363D7

triadic

#33B5D7 #D733B5 #B5D733

tetradic

#33B5D7 #A733D7 #D75533 #63D733

square

#33B5D7 #A733D7 #D75533 #63D733

split-complementary

#33B5D7 #D73363 #D7A733

monochromatic

#186478 #228FAB #33B5D7 #66C8E1 #99DAEB

Accessibility & contrast

On white

2.41

#33B5D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#33B5D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B5D7

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33B5D7	#FFFFFF	#000000	##000000
##33B5D7	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B0D9

Deuteranopia (green-blind)

#8AA0D7

Tritanopia (blue-blind)

#00C0C0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #33b5d7;
/* rgb */ color: rgb(51, 181, 215);
/* oklch */ color: oklch(71.9% 0.118 219.8);

Tailwind

colors: {
  custom: {
    50: '#83cbe3',
    500: '#33b5d7',
    950: '#000000',
  },
}

SCSS

$custom: #33b5d7;
$custom-light: #83cbe3;
$custom-dark: #000000;

JSON

{
  "hex": "#33b5d7",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 215
  },
  "hsl": {
    "h": 192.439,
    "s": 67.213,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71903,
    "c": 0.11808,
    "h": 219.8
  },
  "luminance": 0.38658
}

Semantic roles & 50–950 ramp

primary

#33B5D7

secondary

#D79E8F

accent

#613EEA

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #33B5D7

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

Preview Lab → · Contrast checker → · Palette generator →