#238CA5#238CA5
#238CA5 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.097 H 218.1°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #238CA5 |
|---|---|
| RGB | rgb(35, 140, 165) |
| HSL | hsl(192, 65%, 39%) |
| HSV | hsv(192, 79%, 65%) |
| CMYK | cmyk(78.8%, 15.2%, 0%, 35.3%) |
| CIE-LAB | lab(53.84, -20.11, -21.51) |
| CIE-LCH | lch(53.84, 29.45, 226.92°) |
| OKLab | oklab(59.4% -0.0767 -0.0601) |
| OKLCH | oklch(59.4% 0.097 218.1) |
| XYZ | xyz(16.8599, 21.8280, 38.9147) |
| Luminance | 0.2183 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 2.26
Dirty Blue
#3F829D
ΔE00 4.96
Ocean
#017B92
ΔE00 6.56
Cerulean
#007BA7
ΔE00 8.98
Sea Blue
#047495
ΔE00 9.52
Dark Cyan
#0A888A
ΔE00 9.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#238CA5 #A53C23
analogous
#23A57D #238CA5 #234BA5
triadic
#238CA5 #A5238C #8CA523
tetradic
#238CA5 #7D23A5 #A53C23 #4BA523
square
#238CA5 #7D23A5 #A53C23 #4BA523
split-complementary
#238CA5 #A5234B #A57D23
monochromatic
#0E3640 #186173 #238CA5 #32B4D3 #64C7DE
Accessibility & contrast
On white
3.91
#238CA5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#238CA5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #238CA5
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##238CA5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##238CA5 | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C88A6
Deuteranopia (green-blind)
#6B7BA5
Tritanopia (blue-blind)
#009494
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #238ca5; /* rgb */ color: rgb(35, 140, 165); /* oklch */ color: oklch(59.4% 0.097 218.1);
Tailwind
colors: {
custom: {
50: '#74adbf',
500: '#238ca5',
950: '#000000',
},
}SCSS
$custom: #238ca5; $custom-light: #74adbf; $custom-dark: #000000;
JSON
{
"hex": "#238ca5",
"rgb": {
"r": 35,
"g": 140,
"b": 165
},
"hsl": {
"h": 191.538,
"s": 65,
"l": 39.216
},
"oklch": {
"l": 0.59401,
"c": 0.09748,
"h": 218.1
},
"luminance": 0.2183
}Semantic roles & 50–950 ramp
primary
#238CA5
secondary
#C47360
accent
#6040E8
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81