#237E91#237E91
#237E91 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.087 H 215.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #237E91 |
|---|---|
| RGB | rgb(35, 126, 145) |
| HSL | hsl(190, 61%, 35%) |
| HSV | hsv(190, 76%, 57%) |
| CMYK | cmyk(75.9%, 13.1%, 0%, 43.1%) |
| CIE-LAB | lab(48.66, -19.38, -17.82) |
| CIE-LCH | lch(48.66, 26.33, 222.60°) |
| OKLab | oklab(54.97% -0.0708 -0.0497) |
| OKLCH | oklch(54.97% 0.087 215.1) |
| XYZ | xyz(13.2627, 17.3218, 29.4270) |
| Luminance | 0.1732 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 1.94
Teal Blue
#01889F
ΔE00 3.82
Dirty Blue
#3F829D
ΔE00 5.40
Deep Aqua
#08787F
ΔE00 6.16
Sea Blue
#047495
ΔE00 6.29
Cerulean
#007BA7
ΔE00 8.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#237E91 #913623
analogous
#23916D #237E91 #234791
triadic
#237E91 #91237E #7E9123
tetradic
#237E91 #6D2391 #913623 #479123
square
#237E91 #6D2391 #913623 #479123
split-complementary
#237E91 #912347 #916D23
monochromatic
#0B282E #175360 #237E91 #2FA9C2 #58C1D7
Accessibility & contrast
On white
4.70
#237E91 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.46
#237E91 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #237E91
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##237E91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##237E91 | 1.00 | 4.70 | 4.46 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#717A92
Deuteranopia (green-blind)
#626F91
Tritanopia (blue-blind)
#008584
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #237e91; /* rgb */ color: rgb(35, 126, 145); /* oklch */ color: oklch(55.0% 0.087 215.1);
Tailwind
colors: {
custom: {
50: '#70a3b1',
500: '#237e91',
950: '#000000',
},
}SCSS
$custom: #237e91; $custom-light: #70a3b1; $custom-dark: #000000;
JSON
{
"hex": "#237e91",
"rgb": {
"r": 35,
"g": 126,
"b": 145
},
"hsl": {
"h": 190.364,
"s": 61.111,
"l": 35.294
},
"oklch": {
"l": 0.54975,
"c": 0.08653,
"h": 215.1
},
"luminance": 0.17323
}Semantic roles & 50–950 ramp
primary
#237E91
secondary
#BB6755
accent
#5F44E4
background
#F7FAFA
surface
#EDF4F5
border
#C8CECF
text
#090F10
muted
#7B7F7F