#3B7CB4#3B7CB4

#3B7CB4 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.109 H 247.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#3B7CB4
RGBrgb(59, 124, 180)
HSLhsl(208, 51%, 47%)
HSVhsv(208, 67%, 71%)
CMYKcmyk(67.2%, 31.1%, 0%, 29.4%)
CIE-LABlab(50.26, -2.54, -35.67)
CIE-LCHlch(50.26, 35.76, 265.92°)
OKLaboklab(56.95% -0.0424 -0.1009)
OKLCHoklch(56.95% 0.109 247.2)
XYZxyz(17.2464, 18.6386, 45.8599)
Luminance0.1864 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7CB4 #B4733B
analogous
#3BB4B0 #3B7CB4 #3B3FB4
triadic
#3B7CB4 #B43B7C #7CB43B
tetradic
#3B7CB4 #B03BB4 #B4733B #3FB43B
square
#3B7CB4 #B03BB4 #B4733B #3FB43B
split-complementary
#3B7CB4 #B43B3F #B4B03B
monochromatic
#1D3C58 #2C5C86 #3B7CB4 #619ACB #8FB7DA

Accessibility & contrast

On white

4.44
#3B7CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.73
#3B7CB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7CB4
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7CB4#FFFFFF#000000##000000
##3B7CB41.004.444.734.73
#FFFFFF4.441.0021.0021.00
#0000004.7321.001.001.00
##0000004.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#637EB6
Deuteranopia (green-blind)
#5372B3
Tritanopia (blue-blind)
#008990
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3b7cb4;
/* rgb */ color: rgb(59, 124, 180);
/* oklch */ color: oklch(56.9% 0.109 247.2);
Tailwind
colors: {
  custom: {
    50: '#7ea1ca',
    500: '#3b7cb4',
    950: '#000000',
  },
}
SCSS
$custom: #3b7cb4;
$custom-light: #7ea1ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7cb4",
  "rgb": {
    "r": 59,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 207.769,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56945,
    "c": 0.10942,
    "h": 247.2
  },
  "luminance": 0.1864
}

Semantic roles & 50–950 ramp

primary
#3B7CB4
secondary
#C5A386
accent
#8F4EDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #3B7CB4

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7CB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva