#3B7DCF#3B7DCF

#3B7DCF is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.143 H 255.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#3B7DCF
RGBrgb(59, 125, 207)
HSLhsl(213, 61%, 52%)
HSVhsv(213, 71%, 81%)
CMYKcmyk(71.5%, 39.6%, 0%, 18.8%)
CIE-LABlab(51.95, 6.46, -48.46)
CIE-LCHlch(51.95, 48.89, 277.59°)
OKLaboklab(58.72% -0.0363 -0.1382)
OKLCHoklch(58.72% 0.143 255.3)
XYZxyz(20.3956, 20.0998, 61.8241)
Luminance0.2010 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7DCF #CF8D3B
analogous
#3BC7CF #3B7DCF #433BCF
triadic
#3B7DCF #CF3B7D #7DCF3B
tetradic
#3B7DCF #CF3BC7 #CF8D3B #3BCF43
square
#3B7DCF #CF3BC7 #CF8D3B #3BCF43
split-complementary
#3B7DCF #CF433B #C7CF3B
monochromatic
#1C4373 #2860A5 #3B7DCF #6C9EDB #9DBEE7

Accessibility & contrast

On white

4.18
#3B7DCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#3B7DCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7DCF
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7DCF#FFFFFF#000000##000000
##3B7DCF1.004.185.025.02
#FFFFFF4.181.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#5783D2
Deuteranopia (green-blind)
#3F76CD
Tritanopia (blue-blind)
#00909C
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3b7dcf;
/* rgb */ color: rgb(59, 125, 207);
/* oklch */ color: oklch(58.7% 0.143 255.3);
Tailwind
colors: {
  custom: {
    50: '#83a2de',
    500: '#3b7dcf',
    950: '#000000',
  },
}
SCSS
$custom: #3b7dcf;
$custom-light: #83a2de;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7dcf",
  "rgb": {
    "r": 59,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 213.243,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58723,
    "c": 0.14289,
    "h": 255.3
  },
  "luminance": 0.20102
}

Semantic roles & 50–950 ramp

primary
#3B7DCF
secondary
#D3B693
accent
#9D44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #3B7DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva