#03130F
Closest named color: Rich Navy (#001219). oklch(17% 0.026 176.3), rgb(3, 19, 15).
Aa
White text reads best on this color (19.02:1).
About this color
#03130F is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.023 away. White text reads best on it, at 19.02:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 19.02:1 |
Values
| HEX | #03130F |
| RGB | rgb(3, 19, 15) |
| HSL | hsl(165, 73%, 4%) |
| OKLCH | oklch(17% 0.026 176.3) |
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 #03130F | 19.02:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #03130F | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #03130F text on white | 19.02:1 | AAA | Lc 105.4 | Preferred for body text |
| #03130F text on black | 1.10:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ADC7C0
oklch(80.8% 0.03 177.5)
-
Step 400
400
#81AB9F
oklch(70.7% 0.049 175.4)
-
Step 500
500
#5F9688
oklch(63.1% 0.062 176.3)
-
Step 600
600
#448072
oklch(55.5% 0.067 176.8)
-
Step 700
700
#356C5F
oklch(49% 0.063 176.2)
-
Step 800
800
#2D584E
oklch(42.6% 0.051 176.8)
-
Step 900
900
#294941
oklch(37.8% 0.041 176.2)
-
Step 950
950 (this color)
#03130F
oklch(17% 0.026 176.3)
#03130F 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) | #12110F | 0.027 |
| Deuteranopia (no green cones) | #0F0F0F | 0.026 |
| Tritanopia (no blue cones) | #001312 | 0.008 |
| Achromatopsia (no color) | #101010 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03130F
#03130F
oklch(17% 0.026 176.3)
- #180B10
#180B10
oklch(17.1% 0.024 355.3)
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 #03130F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.023
- Almost Black #070D0D ΔE 0.024
- Rich Black #0D1B2A ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.078
- Dark #1B2431 ΔE 0.095
- Jet #212529 ΔE 0.095
- Dark Navy Blue #00022E ΔE 0.096
- Midnight #03012D ΔE 0.098
Use #03130F 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.