#23839B#23839B
#23839B is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.092 H 218.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #23839B |
|---|---|
| RGB | rgb(35, 131, 155) |
| HSL | hsl(192, 63%, 37%) |
| HSV | hsv(192, 77%, 61%) |
| CMYK | cmyk(77.4%, 15.5%, 0%, 39.2%) |
| CIE-LAB | lab(50.63, -18.69, -20.65) |
| CIE-LCH | lch(50.63, 27.85, 227.86°) |
| OKLab | oklab(56.69% -0.0718 -0.0577) |
| OKLCH | oklch(56.69% 0.092 218.8) |
| XYZ | xyz(14.7233, 18.9547, 33.8866) |
| Luminance | 0.1896 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 2.37
Ocean
#017B92
ΔE00 3.42
Dirty Blue
#3F829D
ΔE00 3.63
Sea Blue
#047495
ΔE00 6.50
Cerulean
#007BA7
ΔE00 7.19
Deep Aqua
#08787F
ΔE00 8.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23839B #9B3B23
analogous
#239B77 #23839B #23479B
triadic
#23839B #9B2383 #839B23
tetradic
#23839B #77239B #9B3B23 #479B23
square
#23839B #77239B #9B3B23 #479B23
split-complementary
#23839B #9B2347 #9B7723
monochromatic
#0C2F37 #185969 #23839B #2EADCD #5EC2DB
Accessibility & contrast
On white
4.38
#23839B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#23839B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #23839B
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23839B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##23839B | 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)
#747F9C
Deuteranopia (green-blind)
#64739B
Tritanopia (blue-blind)
#008B8B
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #23839b; /* rgb */ color: rgb(35, 131, 155); /* oklch */ color: oklch(56.7% 0.092 218.8);
Tailwind
colors: {
custom: {
50: '#72a7b8',
500: '#23839b',
950: '#000000',
},
}SCSS
$custom: #23839b; $custom-light: #72a7b8; $custom-dark: #000000;
JSON
{
"hex": "#23839b",
"rgb": {
"r": 35,
"g": 131,
"b": 155
},
"hsl": {
"h": 192,
"s": 63.158,
"l": 37.255
},
"oklch": {
"l": 0.56689,
"c": 0.09212,
"h": 218.8
},
"luminance": 0.18956
}Semantic roles & 50–950 ramp
primary
#23839B
secondary
#BF6F5A
accent
#6342E6
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80