#3B7ECF#3B7ECF

#3B7ECF is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.142 H 254.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#3B7ECF
RGBrgb(59, 126, 207)
HSLhsl(213, 61%, 52%)
HSVhsv(213, 71%, 81%)
CMYKcmyk(71.5%, 39.1%, 0%, 18.8%)
CIE-LABlab(52.24, 5.85, -48.00)
CIE-LCHlch(52.24, 48.36, 276.94°)
OKLaboklab(58.95% -0.0372 -0.1369)
OKLCHoklch(58.95% 0.142 254.8)
XYZxyz(20.5228, 20.3543, 61.8666)
Luminance0.2036 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7ECF #CF8C3B
analogous
#3BC8CF #3B7ECF #423BCF
triadic
#3B7ECF #CF3B7E #7ECF3B
tetradic
#3B7ECF #CF3BC8 #CF8C3B #3BCF42
square
#3B7ECF #CF3BC8 #CF8C3B #3BCF42
split-complementary
#3B7ECF #CF423B #C8CF3B
monochromatic
#1C4473 #2861A5 #3B7ECF #6C9EDB #9DBFE7

Accessibility & contrast

On white

4.14
#3B7ECF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#3B7ECF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7ECF
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7ECF#FFFFFF#000000##000000
##3B7ECF1.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5884D2
Deuteranopia (green-blind)
#4176CD
Tritanopia (blue-blind)
#00919C
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3b7ecf;
/* rgb */ color: rgb(59, 126, 207);
/* oklch */ color: oklch(58.9% 0.142 254.8);
Tailwind
colors: {
  custom: {
    50: '#83a2de',
    500: '#3b7ecf',
    950: '#000000',
  },
}
SCSS
$custom: #3b7ecf;
$custom-light: #83a2de;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7ecf",
  "rgb": {
    "r": 59,
    "g": 126,
    "b": 207
  },
  "hsl": {
    "h": 212.838,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58945,
    "c": 0.14184,
    "h": 254.8
  },
  "luminance": 0.20357
}

Semantic roles & 50–950 ramp

primary
#3B7ECF
secondary
#D3B693
accent
#9B44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #3B7ECF

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7ECF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva