#2161B0#2161B0

#2161B0 is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.6% C 0.141 H 255.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#2161B0
RGBrgb(33, 97, 176)
HSLhsl(213, 68%, 41%)
HSVhsv(213, 81%, 69%)
CMYKcmyk(81.3%, 44.9%, 0%, 31%)
CIE-LABlab(41.23, 9.20, -47.74)
CIE-LCHlch(41.23, 48.62, 280.90°)
OKLaboklab(49.58% -0.0344 -0.1369)
OKLCHoklch(49.58% 0.141 255.9)
XYZxyz(12.7355, 12.0058, 42.7120)
Luminance0.1201 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2161B0 #B07021
analogous
#21A8B0 #2161B0 #2921B0
triadic
#2161B0 #B02161 #61B021
tetradic
#2161B0 #B021A8 #B07021 #21B029
square
#2161B0 #B021A8 #B07021 #21B029
split-complementary
#2161B0 #B02921 #A8B021
monochromatic
#0E2849 #17457C #2161B0 #357ED9 #699FE3

Accessibility & contrast

On white

6.17
#2161B0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#2161B0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2161B0
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2161B0#FFFFFF#000000##FFFFFF
##2161B01.006.173.406.17
#FFFFFF6.171.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3868B3
Deuteranopia (green-blind)
#195BAE
Tritanopia (blue-blind)
#007480
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #2161b0;
/* rgb */ color: rgb(33, 97, 176);
/* oklch */ color: oklch(49.6% 0.141 255.9);
Tailwind
colors: {
  custom: {
    50: '#748dc8',
    500: '#2161b0',
    950: '#000000',
  },
}
SCSS
$custom: #2161b0;
$custom-light: #748dc8;
$custom-dark: #000000;
JSON
{
  "hex": "#2161b0",
  "rgb": {
    "r": 33,
    "g": 97,
    "b": 176
  },
  "hsl": {
    "h": 213.147,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49578,
    "c": 0.14119,
    "h": 255.9
  },
  "luminance": 0.12007
}

Semantic roles & 50–950 ramp

primary
#2161B0
secondary
#C89C64
accent
#9D3DEB
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #2161B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2161B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva