#3B7ECB#3B7ECB

#3B7ECB is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.137 H 253.8°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#3B7ECB
RGBrgb(59, 126, 203)
HSLhsl(212, 58%, 51%)
HSVhsv(212, 71%, 80%)
CMYKcmyk(70.9%, 37.9%, 0%, 20.4%)
CIE-LABlab(52.02, 4.41, -46.08)
CIE-LCHlch(52.02, 46.29, 275.47°)
OKLaboklab(58.71% -0.0382 -0.1312)
OKLCHoklch(58.71% 0.137 253.8)
XYZxyz(20.0400, 20.1611, 59.3237)
Luminance0.2016 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7ECB #CB883B
analogous
#3BC6CB #3B7ECB #403BCB
triadic
#3B7ECB #CB3B7E #7ECB3B
tetradic
#3B7ECB #CB3BC6 #CB883B #3BCB40
square
#3B7ECB #CB3BC6 #CB883B #3BCB40
split-complementary
#3B7ECB #CB403B #C6CB3B
monochromatic
#1D436E #2A609F #3B7ECB #6B9ED8 #9CBEE5

Accessibility & contrast

On white

4.17
#3B7ECB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#3B7ECB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7ECB
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7ECB#FFFFFF#000000##000000
##3B7ECB1.004.175.035.03
#FFFFFF4.171.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B83CE
Deuteranopia (green-blind)
#4576C9
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3b7ecb;
/* rgb */ color: rgb(59, 126, 203);
/* oklch */ color: oklch(58.7% 0.137 253.8);
Tailwind
colors: {
  custom: {
    50: '#82a2db',
    500: '#3b7ecb',
    950: '#000000',
  },
}
SCSS
$custom: #3b7ecb;
$custom-light: #82a2db;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7ecb",
  "rgb": {
    "r": 59,
    "g": 126,
    "b": 203
  },
  "hsl": {
    "h": 212.083,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58706,
    "c": 0.13665,
    "h": 253.8
  },
  "luminance": 0.20163
}

Semantic roles & 50–950 ramp

primary
#3B7ECB
secondary
#D1B391
accent
#9947E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #3B7ECB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7ECB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva