#23566B#23566B
#23566B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.8% C 0.064 H 228.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #23566B |
|---|---|
| RGB | rgb(35, 86, 107) |
| HSL | hsl(198, 51%, 28%) |
| HSV | hsv(198, 67%, 42%) |
| CMYK | cmyk(67.3%, 19.6%, 0%, 58%) |
| CIE-LAB | lab(34.14, -9.83, -17.11) |
| CIE-LCH | lch(34.14, 19.73, 240.13°) |
| OKLab | oklab(42.81% -0.0428 -0.0478) |
| OKLCH | oklch(42.81% 0.064 228.2) |
| XYZ | xyz(6.6737, 8.0737, 15.1137) |
| Luminance | 0.0807 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 6.58
Dark Grey Blue
#29465B
ΔE00 6.82
Deep Sea Blue
#015482
ΔE00 7.85
Petrol
#005F6A
ΔE00 7.99
Ugly Blue
#31668A
ΔE00 8.04
Slate
#516572
ΔE00 8.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23566B #6B3823
analogous
#236B5C #23566B #23326B
triadic
#23566B #6B2356 #566B23
tetradic
#23566B #5C236B #6B3823 #326B23
square
#23566B #5C236B #6B3823 #326B23
split-complementary
#23566B #6B2332 #6B5C23
monochromatic
#081317 #14313D #23566B #327B99 #469EC2
Accessibility & contrast
On white
8.03
#23566B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#23566B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23566B
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23566B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23566B | 1.00 | 8.03 | 2.61 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B546C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005C5D
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #23566b; /* rgb */ color: rgb(35, 86, 107); /* oklch */ color: oklch(42.8% 0.064 228.2);
Tailwind
colors: {
custom: {
50: '#678595',
500: '#23566b',
950: '#000000',
},
}SCSS
$custom: #23566b; $custom-light: #678595; $custom-dark: #000000;
JSON
{
"hex": "#23566b",
"rgb": {
"r": 35,
"g": 86,
"b": 107
},
"hsl": {
"h": 197.5,
"s": 50.704,
"l": 27.843
},
"oklch": {
"l": 0.42811,
"c": 0.06415,
"h": 228.2
},
"luminance": 0.08074
}Semantic roles & 50–950 ramp
primary
#23566B
secondary
#9E644B
accent
#774EDA
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E