#2E91B9#2E91B9

#2E91B9 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.107 H 229.6°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#2E91B9
RGBrgb(46, 145, 185)
HSLhsl(197, 60%, 45%)
HSVhsv(197, 75%, 73%)
CMYKcmyk(75.1%, 21.6%, 0%, 27.5%)
CIE-LABlab(56.42, -14.73, -28.96)
CIE-LCHlch(56.42, 32.49, 243.04°)
OKLaboklab(61.8% -0.0693 -0.0813)
OKLCHoklch(61.8% 0.107 229.6)
XYZxyz(20.0055, 24.3321, 49.5317)
Luminance0.2433 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2E91B9 #B9562E
analogous
#2EB99B #2E91B9 #2E4CB9
triadic
#2E91B9 #B92E91 #91B92E
tetradic
#2E91B9 #9B2EB9 #B9562E #4CB92E
square
#2E91B9 #9B2EB9 #B9562E #4CB92E
split-complementary
#2E91B9 #B92E4C #B99B2E
monochromatic
#164457 #226B88 #2E91B9 #51AED4 #82C5E0

Accessibility & contrast

On white

3.58
#2E91B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.87
#2E91B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2E91B9
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2E91B9#FFFFFF#000000##000000
##2E91B91.003.585.875.87
#FFFFFF3.581.0021.0021.00
#0000005.8721.001.001.00
##0000005.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8FBB
Deuteranopia (green-blind)
#6A81B8
Tritanopia (blue-blind)
#009C9E
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #2e91b9;
/* rgb */ color: rgb(46, 145, 185);
/* oklch */ color: oklch(61.8% 0.107 229.6);
Tailwind
colors: {
  custom: {
    50: '#7bb1ce',
    500: '#2e91b9',
    950: '#000000',
  },
}
SCSS
$custom: #2e91b9;
$custom-light: #7bb1ce;
$custom-dark: #000000;
JSON
{
  "hex": "#2e91b9",
  "rgb": {
    "r": 46,
    "g": 145,
    "b": 185
  },
  "hsl": {
    "h": 197.266,
    "s": 60.173,
    "l": 45.294
  },
  "oklch": {
    "l": 0.61798,
    "c": 0.10688,
    "h": 229.6
  },
  "luminance": 0.24334
}

Semantic roles & 50–950 ramp

primary
#2E91B9
secondary
#C9917A
accent
#7244E3
background
#F8FAFC
surface
#EFF5F9
border
#CACFD2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #2E91B9

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

Preview Lab → · Contrast checker → · Palette generator →

#2E91B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva