#2498B4#2498B4
#2498B4 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.105 H 218.6°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #2498B4 |
|---|---|
| RGB | rgb(36, 152, 180) |
| HSL | hsl(192, 67%, 42%) |
| HSV | hsv(192, 80%, 71%) |
| CMYK | cmyk(80%, 15.6%, 0%, 29.4%) |
| CIE-LAB | lab(58.15, -21.30, -23.46) |
| CIE-LCH | lch(58.15, 31.68, 227.76°) |
| OKLab | oklab(63.07% -0.0821 -0.0656) |
| OKLCH | oklch(63.07% 0.105 218.6) |
| XYZ | xyz(20.1905, 26.1243, 47.1495) |
| Luminance | 0.2613 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.05
Dirty Blue
#3F829D
ΔE00 8.10
Turquoise Blue
#06B1C4
ΔE00 8.58
Greyblue
#77A1B5
ΔE00 9.32
Cadetblue
#5F9EA0
ΔE00 9.68
Ocean
#017B92
ΔE00 10.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2498B4 #B44024
analogous
#24B488 #2498B4 #2450B4
triadic
#2498B4 #B42498 #98B424
tetradic
#2498B4 #8824B4 #B44024 #50B424
square
#2498B4 #8824B4 #B44024 #50B424
split-complementary
#2498B4 #B42450 #B48824
monochromatic
#10424E #1A6D81 #2498B4 #3DBAD8 #70CCE2
Accessibility & contrast
On white
3.37
#2498B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.23
#2498B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2498B4
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2498B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2498B4 | 1.00 | 3.37 | 6.23 | 6.23 |
| #FFFFFF | 3.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8694B6
Deuteranopia (green-blind)
#7386B4
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #2498b4; /* rgb */ color: rgb(36, 152, 180); /* oklch */ color: oklch(63.1% 0.105 218.6);
Tailwind
colors: {
custom: {
50: '#78b6ca',
500: '#2498b4',
950: '#000000',
},
}SCSS
$custom: #2498b4; $custom-light: #78b6ca; $custom-dark: #000000;
JSON
{
"hex": "#2498b4",
"rgb": {
"r": 36,
"g": 152,
"b": 180
},
"hsl": {
"h": 191.667,
"s": 66.667,
"l": 42.353
},
"oklch": {
"l": 0.63066,
"c": 0.10507,
"h": 218.6
},
"luminance": 0.26127
}Semantic roles & 50–950 ramp
primary
#2498B4
secondary
#C97D6B
accent
#603EEA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082