#2497B2#2497B2
#2497B2 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 62.7% C 0.104 H 218.0°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #2497B2 |
|---|---|
| RGB | rgb(36, 151, 178) |
| HSL | hsl(191, 66%, 42%) |
| HSV | hsv(191, 80%, 70%) |
| CMYK | cmyk(79.8%, 15.2%, 0%, 30.2%) |
| CIE-LAB | lab(57.77, -21.44, -22.91) |
| CIE-LCH | lch(57.77, 31.38, 226.90°) |
| OKLab | oklab(62.73% -0.0819 -0.0641) |
| OKLCH | oklch(62.73% 0.104 218) |
| XYZ | xyz(19.8266, 25.7202, 46.0304) |
| Luminance | 0.2572 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.64
Dirty Blue
#3F829D
ΔE00 7.88
Turquoise Blue
#06B1C4
ΔE00 8.73
Cadetblue
#5F9EA0
ΔE00 9.52
Greyblue
#77A1B5
ΔE00 9.52
Ocean
#017B92
ΔE00 10.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2497B2 #B23F24
analogous
#24B286 #2497B2 #2450B2
triadic
#2497B2 #B22497 #97B224
tetradic
#2497B2 #8624B2 #B23F24 #50B224
square
#2497B2 #8624B2 #B23F24 #50B224
split-complementary
#2497B2 #B22450 #B28624
monochromatic
#0F414C #1A6C7F #2497B2 #3CBAD8 #6FCCE2
Accessibility & contrast
On white
3.42
#2497B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.14
#2497B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2497B2
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2497B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2497B2 | 1.00 | 3.42 | 6.14 | 6.14 |
| #FFFFFF | 3.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8692B3
Deuteranopia (green-blind)
#7385B2
Tritanopia (blue-blind)
#00A0A0
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #2497b2; /* rgb */ color: rgb(36, 151, 178); /* oklch */ color: oklch(62.7% 0.104 218.0);
Tailwind
colors: {
custom: {
50: '#77b5c9',
500: '#2497b2',
950: '#000000',
},
}SCSS
$custom: #2497b2; $custom-light: #77b5c9; $custom-dark: #000000;
JSON
{
"hex": "#2497b2",
"rgb": {
"r": 36,
"g": 151,
"b": 178
},
"hsl": {
"h": 191.408,
"s": 66.355,
"l": 41.961
},
"oklch": {
"l": 0.62732,
"c": 0.10398,
"h": 218
},
"luminance": 0.25723
}Semantic roles & 50–950 ramp
primary
#2497B2
secondary
#C87C69
accent
#5F3FE9
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082