#223C4F#223C4F
#223C4F is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.046 H 241.6°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).
Color values
| HEX | #223C4F |
|---|---|
| RGB | rgb(34, 60, 79) |
| HSL | hsl(205, 40%, 22%) |
| HSV | hsv(205, 57%, 31%) |
| CMYK | cmyk(57%, 24.1%, 0%, 69%) |
| CIE-LAB | lab(24.12, -3.67, -14.60) |
| CIE-LCH | lch(24.12, 15.05, 255.90°) |
| OKLab | oklab(34.42% -0.022 -0.0407) |
| OKLCH | oklch(34.42% 0.046 241.6) |
| XYZ | xyz(3.6863, 4.1360, 7.9997) |
| Luminance | 0.0414 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 1.04
Dark Grey Blue
#29465B
ΔE00 3.27
Dark Slate Blue
#214761
ΔE00 4.28
Charcoal
#36454F
ΔE00 5.39
Gunmetal
#2A3439
ΔE00 7.32
Marine Blue
#01386A
ΔE00 8.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223C4F #4F3522
analogous
#224F4C #223C4F #22264F
triadic
#223C4F #4F223C #3C4F22
tetradic
#223C4F #4C224F #4F3522 #264F22
square
#223C4F #4C224F #4F3522 #264F22
split-complementary
#223C4F #4F2226 #4F4C22
monochromatic
#091015 #101C24 #223C4F #345C7A #477DA5
Accessibility & contrast
On white
11.49
#223C4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.83
#223C4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223C4F
11.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223C4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223C4F | 1.00 | 11.49 | 1.83 | 11.49 |
| #FFFFFF | 11.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#343C50
Deuteranopia (green-blind)
#2E374F
Tritanopia (blue-blind)
#094142
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #223c4f; /* rgb */ color: rgb(34, 60, 79); /* oklch */ color: oklch(34.4% 0.046 241.6);
Tailwind
colors: {
custom: {
50: '#617180',
500: '#223c4f',
950: '#000000',
},
}SCSS
$custom: #223c4f; $custom-light: #617180; $custom-dark: #000000;
JSON
{
"hex": "#223c4f",
"rgb": {
"r": 34,
"g": 60,
"b": 79
},
"hsl": {
"h": 205.333,
"s": 39.823,
"l": 22.157
},
"oklch": {
"l": 0.34417,
"c": 0.04632,
"h": 241.6
},
"luminance": 0.04136
}Semantic roles & 50–950 ramp
primary
#223C4F
secondary
#83624A
accent
#8B58D0
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05070A
muted
#797A7C