#239AB4#239AB4
#239AB4 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.5% C 0.105 H 216.8°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).
Color values
| HEX | #239AB4 |
|---|---|
| RGB | rgb(35, 154, 180) |
| HSL | hsl(191, 67%, 42%) |
| HSV | hsv(191, 81%, 71%) |
| CMYK | cmyk(80.6%, 14.4%, 0%, 29.4%) |
| CIE-LAB | lab(58.75, -22.44, -22.54) |
| CIE-LCH | lch(58.75, 31.81, 225.13°) |
| OKLab | oklab(63.54% -0.0843 -0.063) |
| OKLCH | oklch(63.54% 0.105 216.8) |
| XYZ | xyz(20.4834, 26.7613, 47.2570) |
| Luminance | 0.2676 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.44
Turquoise Blue
#06B1C4
ΔE00 7.66
Dirty Blue
#3F829D
ΔE00 8.91
Cadetblue
#5F9EA0
ΔE00 8.99
Greyblue
#77A1B5
ΔE00 9.40
Ocean
#017B92
ΔE00 11.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#239AB4 #B43D23
analogous
#23B486 #239AB4 #2351B4
triadic
#239AB4 #B4239A #9AB423
tetradic
#239AB4 #8623B4 #B43D23 #51B423
square
#239AB4 #8623B4 #B43D23 #51B423
split-complementary
#239AB4 #B42351 #B48623
monochromatic
#0F424E #196E81 #239AB4 #3BBDD9 #6ECEE3
Accessibility & contrast
On white
3.31
#239AB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.35
#239AB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #239AB4
6.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##239AB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##239AB4 | 1.00 | 3.31 | 6.35 | 6.35 |
| #FFFFFF | 3.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.35 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.35 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8995B5
Deuteranopia (green-blind)
#7687B4
Tritanopia (blue-blind)
#00A3A2
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #239ab4; /* rgb */ color: rgb(35, 154, 180); /* oklch */ color: oklch(63.5% 0.105 216.8);
Tailwind
colors: {
custom: {
50: '#78b8ca',
500: '#239ab4',
950: '#000000',
},
}SCSS
$custom: #239ab4; $custom-light: #78b8ca; $custom-dark: #000000;
JSON
{
"hex": "#239ab4",
"rgb": {
"r": 35,
"g": 154,
"b": 180
},
"hsl": {
"h": 190.759,
"s": 67.442,
"l": 42.157
},
"oklch": {
"l": 0.63543,
"c": 0.10527,
"h": 216.8
},
"luminance": 0.26764
}Semantic roles & 50–950 ramp
primary
#239AB4
secondary
#C97B69
accent
#5C3DEA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082