#2497B4#2497B4
#2497B4 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.105 H 219.6°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).
Color values
| HEX | #2497B4 |
|---|---|
| RGB | rgb(36, 151, 180) |
| HSL | hsl(192, 67%, 42%) |
| HSV | hsv(192, 80%, 71%) |
| CMYK | cmyk(80%, 16.1%, 0%, 29.4%) |
| CIE-LAB | lab(57.85, -20.77, -23.93) |
| CIE-LCH | lch(57.85, 31.69, 229.04°) |
| OKLab | oklab(62.82% -0.0811 -0.067) |
| OKLCH | oklch(62.82% 0.105 219.6) |
| XYZ | xyz(20.0289, 25.8011, 47.0957) |
| Luminance | 0.2580 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.90
Dirty Blue
#3F829D
ΔE00 7.72
Turquoise Blue
#06B1C4
ΔE00 9.04
Greyblue
#77A1B5
ΔE00 9.33
Cadetblue
#5F9EA0
ΔE00 10.05
Ocean
#017B92
ΔE00 10.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2497B4 #B44124
analogous
#24B489 #2497B4 #244FB4
triadic
#2497B4 #B42497 #97B424
tetradic
#2497B4 #8924B4 #B44124 #4FB424
square
#2497B4 #8924B4 #B44124 #4FB424
split-complementary
#2497B4 #B4244F #B48924
monochromatic
#10414E #1A6C81 #2497B4 #3DB9D8 #70CBE2
Accessibility & contrast
On white
3.41
#2497B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.16
#2497B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2497B4
6.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2497B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2497B4 | 1.00 | 3.41 | 6.16 | 6.16 |
| #FFFFFF | 3.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.16 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.16 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8593B6
Deuteranopia (green-blind)
#7285B4
Tritanopia (blue-blind)
#00A1A0
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #2497b4; /* rgb */ color: rgb(36, 151, 180); /* oklch */ color: oklch(62.8% 0.105 219.6);
Tailwind
colors: {
custom: {
50: '#78b5ca',
500: '#2497b4',
950: '#000000',
},
}SCSS
$custom: #2497b4; $custom-light: #78b5ca; $custom-dark: #000000;
JSON
{
"hex": "#2497b4",
"rgb": {
"r": 36,
"g": 151,
"b": 180
},
"hsl": {
"h": 192.083,
"s": 66.667,
"l": 42.353
},
"oklch": {
"l": 0.62819,
"c": 0.10517,
"h": 219.6
},
"luminance": 0.25804
}Semantic roles & 50–950 ramp
primary
#2497B4
secondary
#C97E6B
accent
#613EEA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082