#237ABD#237ABD
#237ABD is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.131 H 246.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #237ABD |
|---|---|
| RGB | rgb(35, 122, 189) |
| HSL | hsl(206, 69%, 44%) |
| HSV | hsv(206, 81%, 74%) |
| CMYK | cmyk(81.5%, 35.4%, 0%, 25.9%) |
| CIE-LAB | lab(49.43, -1.25, -42.21) |
| CIE-LCH | lch(49.43, 42.23, 268.31°) |
| OKLab | oklab(56.25% -0.0515 -0.1202) |
| OKLCH | oklch(56.25% 0.131 246.8) |
| XYZ | xyz(16.8344, 17.9484, 50.7114) |
| Luminance | 0.1795 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.82
Windows Blue
#3778BF
ΔE00 2.75
Nice Blue
#107AB0
ΔE00 3.55
Flat Blue
#3C73A8
ΔE00 3.84
Steel Blue
#4682B4
ΔE00 3.85
Cerulean (survey)
#0485D1
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#237ABD #BD6623
analogous
#23BDB3 #237ABD #232DBD
triadic
#237ABD #BD237A #7ABD23
tetradic
#237ABD #B323BD #BD6623 #2DBD23
square
#237ABD #B323BD #BD6623 #2DBD23
split-complementary
#237ABD #BD232D #BDB323
monochromatic
#103756 #195989 #237ABD #4199DC #75B5E5
Accessibility & contrast
On white
4.57
#237ABD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.59
#237ABD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #237ABD
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##237ABD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##237ABD | 1.00 | 4.57 | 4.59 | 4.59 |
| #FFFFFF | 4.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A7DC0
Deuteranopia (green-blind)
#446FBC
Tritanopia (blue-blind)
#008A92
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #237abd; /* rgb */ color: rgb(35, 122, 189); /* oklch */ color: oklch(56.2% 0.131 246.8);
Tailwind
colors: {
custom: {
50: '#77a0d1',
500: '#237abd',
950: '#000000',
},
}SCSS
$custom: #237abd; $custom-light: #77a0d1; $custom-dark: #000000;
JSON
{
"hex": "#237abd",
"rgb": {
"r": 35,
"g": 122,
"b": 189
},
"hsl": {
"h": 206.104,
"s": 68.75,
"l": 43.922
},
"oklch": {
"l": 0.56247,
"c": 0.13078,
"h": 246.8
},
"luminance": 0.17951
}Semantic roles & 50–950 ramp
primary
#237ABD
secondary
#CD986F
accent
#893CEC
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E14
muted
#7C7E82