#3BBCE9#3BBCE9

#3BBCE9 is a light, vivid cyan. Relative luminance 0.428; OKLCH L 74.5% C 0.126 H 226.1°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX#3BBCE9
RGBrgb(59, 188, 233)
HSLhsl(196, 80%, 57%)
HSVhsv(196, 75%, 91%)
CMYKcmyk(74.7%, 19.3%, 0%, 8.6%)
CIE-LABlab(71.40, -20.10, -32.38)
CIE-LCHlch(71.40, 38.12, 238.17°)
OKLaboklab(74.5% -0.0874 -0.0908)
OKLCHoklch(74.5% 0.126 226.1)
XYZxyz(34.4888, 42.7753, 83.5138)
Luminance0.4278 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3BBCE9 #E9683B
analogous
#3BE9BF #3BBCE9 #3B65E9
triadic
#3BBCE9 #E93BBC #BCE93B
tetradic
#3BBCE9 #BF3BE9 #E9683B #65E93B
square
#3BBCE9 #BF3BE9 #E9683B #65E93B
split-complementary
#3BBCE9 #E93B65 #E9BF3B
monochromatic
#117598 #17A0D0 #3BBCE9 #72CFEF #A9E2F5

Accessibility & contrast

On white

2.20
#3BBCE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.56
#3BBCE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BBCE9
9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3BBCE9#FFFFFF#000000##000000
##3BBCE91.002.209.569.56
#FFFFFF2.201.0021.0021.00
#0000009.5621.001.001.00
##0000009.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4B8EB
Deuteranopia (green-blind)
#8CA8E8
Tritanopia (blue-blind)
#00C9CB
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #3bbce9;
/* rgb */ color: rgb(59, 188, 233);
/* oklch */ color: oklch(74.5% 0.126 226.1);
Tailwind
colors: {
  custom: {
    50: '#89d0f0',
    500: '#3bbce9',
    950: '#000000',
  },
}
SCSS
$custom: #3bbce9;
$custom-light: #89d0f0;
$custom-dark: #000000;
JSON
{
  "hex": "#3bbce9",
  "rgb": {
    "r": 59,
    "g": 188,
    "b": 233
  },
  "hsl": {
    "h": 195.517,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74504,
    "c": 0.12604,
    "h": 226.1
  },
  "luminance": 0.42779
}

Semantic roles & 50–950 ramp

primary
#3BBCE9
secondary
#E3AF9D
accent
#6432F6
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0D1416
muted
#7E8284

Preview Lab

Preview with #3BBCE9

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

Preview Lab → · Contrast checker → · Palette generator →

#3BBCE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva