#3D99BE#3D99BE

#3D99BE is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.102 H 228.2°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#3D99BE
RGBrgb(61, 153, 190)
HSLhsl(197, 51%, 49%)
HSVhsv(197, 68%, 75%)
CMYKcmyk(67.9%, 19.5%, 0%, 25.5%)
CIE-LABlab(59.42, -15.32, -27.11)
CIE-LCHlch(59.42, 31.13, 240.53°)
OKLaboklab(64.38% -0.0678 -0.0759)
OKLCHoklch(64.38% 0.102 228.2)
XYZxyz(22.6062, 27.4898, 52.8199)
Luminance0.2749 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D99BE #BE623D
analogous
#3DBEA3 #3D99BE #3D59BE
triadic
#3D99BE #BE3D99 #99BE3D
tetradic
#3D99BE #A33DBE #BE623D #59BE3D
square
#3D99BE #A33DBE #BE623D #59BE3D
split-complementary
#3D99BE #BE3D59 #BEA33D
monochromatic
#1F4E61 #2E7490 #3D99BE #69B2CF #98CADE

Accessibility & contrast

On white

3.23
#3D99BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#3D99BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99BE
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D99BE#FFFFFF#000000##000000
##3D99BE1.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8696C0
Deuteranopia (green-blind)
#7489BE
Tritanopia (blue-blind)
#00A4A5
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #3d99be;
/* rgb */ color: rgb(61, 153, 190);
/* oklch */ color: oklch(64.4% 0.102 228.2);
Tailwind
colors: {
  custom: {
    50: '#81b7d1',
    500: '#3d99be',
    950: '#000000',
  },
}
SCSS
$custom: #3d99be;
$custom-light: #81b7d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3d99be",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 197.209,
    "s": 51.394,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64378,
    "c": 0.10176,
    "h": 228.2
  },
  "luminance": 0.27492
}

Semantic roles & 50–950 ramp

primary
#3D99BE
secondary
#C99F8D
accent
#764DDB
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #3D99BE

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

Preview Lab → · Contrast checker → · Palette generator →

#3D99BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva