#031016
Closest named color: Rich Navy (#001219). oklch(16.3% 0.024 226.7), rgb(3, 16, 22).
Aa
White text reads best on this color (19.27:1).
About this color
#031016 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.009 away. White text reads best on it, at 19.27:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.27:1 |
Values
| HEX | #031016 |
| RGB | rgb(3, 16, 22) |
| HSL | hsl(199, 76%, 5%) |
| OKLCH | oklch(16.3% 0.024 226.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #031016 | 19.27:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #031016 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #031016 text on white | 19.27:1 | AAA | Lc 105.5 | Preferred for body text |
| #031016 text on black | 1.08:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AEC5CF
oklch(80.9% 0.029 225.8)
-
Step 400
400
#83A7B7
oklch(70.7% 0.046 226.9)
-
Step 500
500
#6291A5
oklch(63% 0.059 226.5)
-
Step 600
600
#487B90
oklch(55.5% 0.064 226.4)
-
Step 700
700
#39687B
oklch(49.2% 0.06 226.3)
-
Step 800
800
#305564
oklch(42.8% 0.049 226.1)
-
Step 900
900
#2B4651
oklch(37.7% 0.038 225.7)
-
Step 950
950 (this color)
#031016
oklch(16.3% 0.024 226.7)
#031016 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0D0F16 | 0.019 |
| Deuteranopia (no green cones) | #0A0D16 | 0.017 |
| Tritanopia (no blue cones) | #001212 | 0.015 |
| Achromatopsia (no color) | #0E0E0E | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031016
#031016
oklch(16.3% 0.024 226.7)
- #170B05
#170B05
oklch(16.5% 0.025 50.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #031016, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.009
- Almost Black #070D0D ΔE 0.020
- Rich Black #0D1B2A ΔE 0.057
- Dark Navy Blue #00022E ΔE 0.075
- Midnight #03012D ΔE 0.075
- Dark Navy #000435 ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.079
- Very Dark Blue #000133 ΔE 0.082
Use #031016 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.