#63BBCE#63BBCE

#63BBCE is a light, moderate cyan. Relative luminance 0.426; OKLCH L 74.4% C 0.089 H 213.5°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX#63BBCE
RGBrgb(99, 187, 206)
HSLhsl(191, 52%, 60%)
HSVhsv(191, 52%, 81%)
CMYKcmyk(51.9%, 9.2%, 0%, 19.2%)
CIE-LABlab(71.31, -21.24, -17.70)
CIE-LCHlch(71.31, 27.65, 219.81°)
OKLaboklab(74.44% -0.074 -0.0489)
OKLCHoklch(74.44% 0.089 213.5)
XYZxyz(34.0522, 42.6465, 64.8177)
Luminance0.4265 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BBCE #CE7663
analogous
#63CEAB #63BBCE #6386CE
triadic
#63BBCE #CE63BB #BBCE63
tetradic
#63BBCE #AB63CE #CE7663 #86CE63
square
#63BBCE #AB63CE #CE7663 #86CE63
split-complementary
#63BBCE #CE6386 #CEAB63
monochromatic
#2C7A8B #3AA3BA #63BBCE #92CFDD #C0E4EB

Accessibility & contrast

On white

2.20
#63BBCE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.53
#63BBCE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBCE
9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BBCE#FFFFFF#000000##000000
##63BBCE1.002.209.539.53
#FFFFFF2.201.0021.0021.00
#0000009.5321.001.001.00
##0000009.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADB6CF
Deuteranopia (green-blind)
#9CA9CE
Tritanopia (blue-blind)
#16C3C1
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #63bbce;
/* rgb */ color: rgb(99, 187, 206);
/* oklch */ color: oklch(74.4% 0.089 213.5);
Tailwind
colors: {
  custom: {
    50: '#97cfdd',
    500: '#63bbce',
    950: '#000000',
  },
}
SCSS
$custom: #63bbce;
$custom-light: #97cfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#63bbce",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 206
  },
  "hsl": {
    "h": 190.654,
    "s": 52.195,
    "l": 59.804
  },
  "oklch": {
    "l": 0.74442,
    "c": 0.08872,
    "h": 213.5
  },
  "luminance": 0.4265
}

Semantic roles & 50–950 ramp

primary
#63BBCE
secondary
#DBB9B2
accent
#664CDC
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #63BBCE

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

Preview Lab → · Contrast checker → · Palette generator →

#63BBCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva