#031F1B#031F1B
#031F1B is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.7% C 0.035 H 182.1°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).
Color values
| HEX | #031F1B |
|---|---|
| RGB | rgb(3, 31, 27) |
| HSL | hsl(171, 82%, 7%) |
| HSV | hsv(171, 90%, 12%) |
| CMYK | cmyk(90.3%, 0%, 12.9%, 87.8%) |
| CIE-LAB | lab(9.63, -11.79, -0.40) |
| CIE-LCH | lch(9.63, 11.80, 181.96°) |
| OKLab | oklab(21.65% -0.0351 -0.0013) |
| OKLCH | oklch(21.65% 0.035 182.1) |
| XYZ | xyz(0.7253, 1.0784, 1.2066) |
| Luminance | 0.0108 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Almost Black
#070D0D
ΔE00 11.16
Gunmetal
#2A3439
ΔE00 12.53
Charcoal (survey)
#343837
ΔE00 13.50
Black
#000000
ΔE00 13.88
Dark Forest Green
#002D04
ΔE00 14.17
Onyx
#353839
ΔE00 14.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#031F1B #1F0307
analogous
#031F0D #031F1B #03151F
triadic
#031F1B #1B031F #1F1B03
tetradic
#031F1B #0D031F #1F0307 #151F03
square
#031F1B #0D031F #1F0307 #151F03
split-complementary
#031F1B #1F0315 #1F0D03
monochromatic
#031C18 #031C18 #031F1B #08574C #0E8F7C
Accessibility & contrast
On white
17.28
#031F1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#031F1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #031F1B
17.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##031F1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##031F1B | 1.00 | 17.28 | 1.22 | 17.28 |
| #FFFFFF | 17.28 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.28 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D1D1B
Deuteranopia (green-blind)
#19191B
Tritanopia (blue-blind)
#00201E
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #031f1b; /* rgb */ color: rgb(3, 31, 27); /* oklch */ color: oklch(21.7% 0.035 182.1);
Tailwind
colors: {
custom: {
50: '#475a57',
500: '#031f1b',
950: '#000000',
},
}SCSS
$custom: #031f1b; $custom-light: #475a57; $custom-dark: #000000;
JSON
{
"hex": "#031f1b",
"rgb": {
"r": 3,
"g": 31,
"b": 27
},
"hsl": {
"h": 171.429,
"s": 82.353,
"l": 6.667
},
"oklch": {
"l": 0.21655,
"c": 0.0351,
"h": 182.1
},
"luminance": 0.01078
}Semantic roles & 50–950 ramp
primary
#031F1B
secondary
#631B25
accent
#2F4CF9
background
#F4F5F5
surface
#E6E9E9
border
#C2C5C5
text
#000403
muted
#777978