#3BB3FF#3BB3FF

#3BB3FF is a light, vivid cyan. Relative luminance 0.404; OKLCH L 73.5% C 0.151 H 241.6°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#3BB3FF
RGB	rgb(59, 179, 255)
HSL	hsl(203, 100%, 62%)
HSV	hsv(203, 77%, 100%)
CMYK	cmyk(76.9%, 29.8%, 0%, 0%)
CIE-LAB	lab(69.74, -7.93, -46.89)
CIE-LCH	lch(69.74, 47.55, 260.40°)
OKLab	oklab(73.49% -0.072 -0.1329)
OKLCH	oklch(73.49% 0.151 241.6)
XYZ	xyz(35.9667, 40.3857, 100.4880)
Luminance	0.4039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB3FF #FF873B

analogous

#3BFFE9 #3BB3FF #3B51FF

triadic

#3BB3FF #FF3BB3 #B3FF3B

tetradic

#3BB3FF #E93BFF #FF873B #51FF3B

square

#3BB3FF #E93BFF #FF873B #51FF3B

split-complementary

#3BB3FF #FF3B51 #FFE93B

monochromatic

#0075C0 #009BFD #3BB3FF #78CBFF #B5E2FF

Accessibility & contrast

On white

2.31

#3BB3FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#3BB3FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB3FF

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB3FF	#FFFFFF	#000000	##000000
##3BB3FF	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FB4FF

Deuteranopia (green-blind)

#74A2FE

Tritanopia (blue-blind)

#00C6CE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3bb3ff;
/* rgb */ color: rgb(59, 179, 255);
/* oklch */ color: oklch(73.5% 0.151 241.6);

Tailwind

colors: {
  custom: {
    50: '#8cc9ff',
    500: '#3bb3ff',
    950: '#000000',
  },
}

SCSS

$custom: #3bb3ff;
$custom-light: #8cc9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb3ff",
  "rgb": {
    "r": 59,
    "g": 179,
    "b": 255
  },
  "hsl": {
    "h": 203.265,
    "s": 100,
    "l": 61.569
  },
  "oklch": {
    "l": 0.73489,
    "c": 0.1511,
    "h": 241.6
  },
  "luminance": 0.4039
}

Semantic roles & 50–950 ramp

primary

#3BB3FF

secondary

#EFC3A6

accent

#5900E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0E1318

muted

#7E8286

Preview Lab

Preview with #3BB3FF

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

Preview Lab → · Contrast checker → · Palette generator →