#33B5D2#33B5D2

#33B5D2 is a light, moderate cyan. Relative luminance 0.384; OKLCH L 71.7% C 0.115 H 216.5°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#33B5D2
RGB	rgb(51, 181, 210)
HSL	hsl(191, 64%, 51%)
HSV	hsv(191, 76%, 82%)
CMYK	cmyk(75.7%, 13.8%, 0%, 17.6%)
CIE-LAB	lab(68.32, -24.83, -24.59)
CIE-LCH	lch(68.32, 34.94, 224.71°)
OKLab	oklab(71.69% -0.0926 -0.0686)
OKLCH	oklch(71.69% 0.115 216.5)
XYZ	xyz(29.5170, 38.4011, 66.8168)
Luminance	0.3841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33B5D2 #D25033

analogous

#33D29F #33B5D2 #3365D2

triadic

#33B5D2 #D233B5 #B5D233

tetradic

#33B5D2 #9F33D2 #D25033 #65D233

square

#33B5D2 #9F33D2 #D25033 #65D233

split-complementary

#33B5D2 #D23365 #D29F33

monochromatic

#196172 #248CA4 #33B5D2 #65C7DD #97D9E8

Accessibility & contrast

On white

2.42

#33B5D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#33B5D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B5D2

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33B5D2	#FFFFFF	#000000	##000000
##33B5D2	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AFD4

Deuteranopia (green-blind)

#8CA0D2

Tritanopia (blue-blind)

#00BFBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #33b5d2;
/* rgb */ color: rgb(51, 181, 210);
/* oklch */ color: oklch(71.7% 0.115 216.5);

Tailwind

colors: {
  custom: {
    50: '#83cbdf',
    500: '#33b5d2',
    950: '#000000',
  },
}

SCSS

$custom: #33b5d2;
$custom-light: #83cbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#33b5d2",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 210
  },
  "hsl": {
    "h": 190.943,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.71693,
    "c": 0.11528,
    "h": 216.5
  },
  "luminance": 0.38405
}

Semantic roles & 50–950 ramp

primary

#33B5D2

secondary

#D49A8D

accent

#5F41E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #33B5D2

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

Preview Lab → · Contrast checker → · Palette generator →