#3D9FCB#3D9FCB

#3D9FCB is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.111 H 231.4°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX#3D9FCB
RGBrgb(61, 159, 203)
HSLhsl(199, 58%, 52%)
HSVhsv(199, 70%, 80%)
CMYKcmyk(70%, 21.7%, 0%, 20.4%)
CIE-LABlab(61.74, -14.30, -30.82)
CIE-LCHlch(61.74, 33.98, 245.11°)
OKLaboklab(66.4% -0.0692 -0.0865)
OKLCHoklch(66.4% 0.111 231.4)
XYZxyz(25.0978, 30.0974, 60.9750)
Luminance0.3010 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D9FCB #CB693D
analogous
#3DCBB0 #3D9FCB #3D58CB
triadic
#3D9FCB #CB3D9F #9FCB3D
tetradic
#3D9FCB #B03DCB #CB693D #58CB3D
square
#3D9FCB #B03DCB #CB693D #58CB3D
split-complementary
#3D9FCB #CB3D58 #CBB03D
monochromatic
#1E5670 #2B7CA0 #3D9FCB #6DB7D8 #9ECFE5

Accessibility & contrast

On white

2.99
#3D9FCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.02
#3D9FCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3D9FCB
7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D9FCB#FFFFFF#000000##000000
##3D9FCB1.002.997.027.02
#FFFFFF2.991.0021.0021.00
#0000007.0221.001.001.00
##0000007.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#899DCD
Deuteranopia (green-blind)
#758FCA
Tritanopia (blue-blind)
#00ABAE
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #3d9fcb;
/* rgb */ color: rgb(61, 159, 203);
/* oklch */ color: oklch(66.4% 0.111 231.4);
Tailwind
colors: {
  custom: {
    50: '#84bbdb',
    500: '#3d9fcb',
    950: '#000000',
  },
}
SCSS
$custom: #3d9fcb;
$custom-light: #84bbdb;
$custom-dark: #000000;
JSON
{
  "hex": "#3d9fcb",
  "rgb": {
    "r": 61,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 198.592,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.66398,
    "c": 0.11077,
    "h": 231.4
  },
  "luminance": 0.301
}

Semantic roles & 50–950 ramp

primary
#3D9FCB
secondary
#D1A693
accent
#7747E1
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3D9FCB

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

Preview Lab → · Contrast checker → · Palette generator →

#3D9FCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva