#2B7BB3#2B7BB3

#2B7BB3 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.115 H 243.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#2B7BB3
RGBrgb(43, 123, 179)
HSLhsl(205, 61%, 44%)
HSVhsv(205, 76%, 70%)
CMYKcmyk(76%, 31.3%, 0%, 29.8%)
CIE-LABlab(49.41, -4.66, -36.46)
CIE-LCHlch(49.41, 36.76, 262.72°)
OKLaboklab(56.12% -0.0515 -0.1033)
OKLCHoklch(56.12% 0.115 243.5)
XYZxyz(16.2127, 17.9323, 45.2459)
Luminance0.1793 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B7BB3 #B3632B
analogous
#2BB3A7 #2B7BB3 #2B37B3
triadic
#2B7BB3 #B32B7B #7BB32B
tetradic
#2B7BB3 #A72BB3 #B3632B #37B32B
square
#2B7BB3 #A72BB3 #B3632B #37B32B
split-complementary
#2B7BB3 #B32B37 #B3A72B
monochromatic
#133750 #1F5982 #2B7BB3 #489AD3 #79B5DF

Accessibility & contrast

On white

4.58
#2B7BB3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.59
#2B7BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B7BB3
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B7BB3#FFFFFF#000000##000000
##2B7BB31.004.584.594.59
#FFFFFF4.581.0021.0021.00
#0000004.5921.001.001.00
##0000004.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#617CB5
Deuteranopia (green-blind)
#4E70B2
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #2b7bb3;
/* rgb */ color: rgb(43, 123, 179);
/* oklch */ color: oklch(56.1% 0.115 243.5);
Tailwind
colors: {
  custom: {
    50: '#78a0ca',
    500: '#2b7bb3',
    950: '#000000',
  },
}
SCSS
$custom: #2b7bb3;
$custom-light: #78a0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b7bb3",
  "rgb": {
    "r": 43,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 204.706,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56119,
    "c": 0.11546,
    "h": 243.5
  },
  "luminance": 0.17934
}

Semantic roles & 50–950 ramp

primary
#2B7BB3
secondary
#C79573
accent
#8643E4
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #2B7BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#2B7BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva