#2497B1#2497B1

#2497B1 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 62.7% C 0.103 H 217.3°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#2497B1
RGBrgb(36, 151, 177)
HSLhsl(191, 66%, 42%)
HSVhsv(191, 80%, 69%)
CMYKcmyk(79.7%, 14.7%, 0%, 30.6%)
CIE-LABlab(57.73, -21.78, -22.40)
CIE-LCHlch(57.73, 31.24, 225.81°)
OKLaboklab(62.69% -0.0823 -0.0626)
OKLCHoklch(62.69% 0.103 217.3)
XYZxyz(19.7266, 25.6802, 45.5035)
Luminance0.2568 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2497B1 #B13E24
analogous
#24B185 #2497B1 #2451B1
triadic
#2497B1 #B12497 #97B124
tetradic
#2497B1 #8524B1 #B13E24 #51B124
square
#2497B1 #8524B1 #B13E24 #51B124
split-complementary
#2497B1 #B12451 #B18524
monochromatic
#0F404B #1A6C7E #2497B1 #3BBAD7 #6ECCE1

Accessibility & contrast

On white

3.42
#2497B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.14
#2497B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2497B1
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2497B1#FFFFFF#000000##000000
##2497B11.003.426.146.14
#FFFFFF3.421.0021.0021.00
#0000006.1421.001.001.00
##0000006.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8692B2
Deuteranopia (green-blind)
#7385B1
Tritanopia (blue-blind)
#00A09F
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #2497b1;
/* rgb */ color: rgb(36, 151, 177);
/* oklch */ color: oklch(62.7% 0.103 217.3);
Tailwind
colors: {
  custom: {
    50: '#77b5c8',
    500: '#2497b1',
    950: '#000000',
  },
}
SCSS
$custom: #2497b1;
$custom-light: #77b5c8;
$custom-dark: #000000;
JSON
{
  "hex": "#2497b1",
  "rgb": {
    "r": 36,
    "g": 151,
    "b": 177
  },
  "hsl": {
    "h": 191.064,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.62688,
    "c": 0.10341,
    "h": 217.3
  },
  "luminance": 0.25683
}

Semantic roles & 50–950 ramp

primary
#2497B1
secondary
#C87A69
accent
#5E3FE9
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #2497B1

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

Preview Lab → · Contrast checker → · Palette generator →

#2497B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva