#237EBD#237EBD
#237EBD is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.127 H 244.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #237EBD |
|---|---|
| RGB | rgb(35, 126, 189) |
| HSL | hsl(205, 69%, 44%) |
| HSV | hsv(205, 81%, 74%) |
| CMYK | cmyk(81.5%, 33.3%, 0%, 25.9%) |
| CIE-LAB | lab(50.63, -3.64, -40.32) |
| CIE-LCH | lch(50.63, 40.48, 264.84°) |
| OKLab | oklab(57.19% -0.055 -0.1146) |
| OKLCH | oklch(57.19% 0.127 244.4) |
| XYZ | xyz(17.3357, 18.9510, 50.8785) |
| Luminance | 0.1895 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 3.07
Nice Blue
#107AB0
ΔE00 3.10
Cerulean (survey)
#0485D1
ΔE00 3.11
Bluish
#2976BB
ΔE00 3.51
Water Blue
#0E87CC
ΔE00 3.52
Cool Blue
#4984B8
ΔE00 3.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#237EBD #BD6223
analogous
#23BDAF #237EBD #2331BD
triadic
#237EBD #BD237E #7EBD23
tetradic
#237EBD #AF23BD #BD6223 #31BD23
square
#237EBD #AF23BD #BD6223 #31BD23
split-complementary
#237EBD #BD2331 #BDAF23
monochromatic
#103956 #195C89 #237EBD #419DDC #75B7E5
Accessibility & contrast
On white
4.38
#237EBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#237EBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #237EBD
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##237EBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##237EBD | 1.00 | 4.38 | 4.79 | 4.79 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6080C0
Deuteranopia (green-blind)
#4B72BC
Tritanopia (blue-blind)
#008D95
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #237ebd; /* rgb */ color: rgb(35, 126, 189); /* oklch */ color: oklch(57.2% 0.127 244.4);
Tailwind
colors: {
custom: {
50: '#77a3d1',
500: '#237ebd',
950: '#000000',
},
}SCSS
$custom: #237ebd; $custom-light: #77a3d1; $custom-dark: #000000;
JSON
{
"hex": "#237ebd",
"rgb": {
"r": 35,
"g": 126,
"b": 189
},
"hsl": {
"h": 204.545,
"s": 68.75,
"l": 43.922
},
"oklch": {
"l": 0.5719,
"c": 0.12714,
"h": 244.4
},
"luminance": 0.18953
}Semantic roles & 50–950 ramp
primary
#237EBD
secondary
#CD956F
accent
#843CEC
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0A0F14
muted
#7C7F82