#031C2F#031C2F
#031C2F is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 21.8% C 0.049 H 244.4°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).
Color values
| HEX | #031C2F |
|---|---|
| RGB | rgb(3, 28, 47) |
| HSL | hsl(206, 88%, 10%) |
| HSV | hsv(206, 94%, 18%) |
| CMYK | cmyk(93.6%, 40.4%, 0%, 81.6%) |
| CIE-LAB | lab(9.44, -1.37, -15.46) |
| CIE-LCH | lch(9.44, 15.52, 264.95°) |
| OKLab | oklab(21.84% -0.0211 -0.044) |
| OKLCH | oklch(21.84% 0.049 244.4) |
| XYZ | xyz(0.9657, 1.0550, 2.8415) |
| Luminance | 0.0106 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 5.01
Navy Blue
#1B2A4A
ΔE00 8.37
Navy (survey)
#01153E
ΔE00 8.97
Navy Blue (survey)
#001146
ΔE00 9.67
Marine
#042E60
ΔE00 9.70
Dark Blue Grey
#1F3B4D
ΔE00 10.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#031C2F #2F1603
analogous
#032F2C #031C2F #03062F
triadic
#031C2F #2F031C #1C2F03
tetradic
#031C2F #2C032F #2F1603 #062F03
square
#031C2F #2C032F #2F1603 #062F03
split-complementary
#031C2F #2F0306 #2F2C03
monochromatic
#02111D #02111D #031C2F #073E69 #0A61A2
Accessibility & contrast
On white
17.34
#031C2F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.21
#031C2F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #031C2F
17.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##031C2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##031C2F | 1.00 | 17.34 | 1.21 | 17.34 |
| #FFFFFF | 17.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#131D30
Deuteranopia (green-blind)
#0C182F
Tritanopia (blue-blind)
#002123
Achromatopsia (no color)
#1A1A1A
Design tokens & code
CSS
--color: #031c2f; /* rgb */ color: rgb(3, 28, 47); /* oklch */ color: oklch(21.8% 0.049 244.4);
Tailwind
colors: {
custom: {
50: '#4a5767',
500: '#031c2f',
950: '#000000',
},
}SCSS
$custom: #031c2f; $custom-light: #4a5767; $custom-dark: #000000;
JSON
{
"hex": "#031c2f",
"rgb": {
"r": 3,
"g": 28,
"b": 47
},
"hsl": {
"h": 205.909,
"s": 88,
"l": 9.804
},
"oklch": {
"l": 0.21838,
"c": 0.04874,
"h": 244.4
},
"luminance": 0.01055
}Semantic roles & 50–950 ramp
primary
#031C2F
secondary
#73411B
accent
#852AFE
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#010306
muted
#77787A