#03130B
Closest named color: Almost Black (#070D0D). oklch(16.8% 0.03 161.9), rgb(3, 19, 11).
Aa
White text reads best on this color (19.05:1).
About this color
#03130B is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.027 away. White text reads best on it, at 19.05:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 19.05:1 |
Values
| HEX | #03130B |
| RGB | rgb(3, 19, 11) |
| HSL | hsl(150, 73%, 4%) |
| OKLCH | oklch(16.8% 0.03 161.9) |
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 #03130B | 19.05:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #03130B | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #03130B text on white | 19.05:1 | AAA | Lc 105.4 | Preferred for body text |
| #03130B 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD5
oklch(88.4% 0.019 162.9)
-
Step 300
300
#ADC8BA
oklch(80.9% 0.035 163)
-
Step 400
400
#81AC96
oklch(70.7% 0.056 162.3)
-
Step 500
500
#60977C
oklch(63% 0.072 162.1)
-
Step 600
600
#458265
oklch(55.7% 0.079 161.7)
-
Step 700
700
#366E54
oklch(49.2% 0.073 161.9)
-
Step 800
800
#2E5945
oklch(42.6% 0.059 162.3)
-
Step 900
900
#29493A
oklch(37.6% 0.046 162.8)
-
Step 950
950 (this color)
#03130B
oklch(16.8% 0.03 161.9)
#03130B 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) | #13110B | 0.029 |
| Deuteranopia (no green cones) | #100F0C | 0.028 |
| Tritanopia (no blue cones) | #001311 | 0.013 |
| Achromatopsia (no color) | #101010 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03130B
#03130B
oklch(16.8% 0.03 161.9)
- #180A13
#180A13
oklch(17% 0.029 341.7)
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 #03130B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.027
- Rich Navy #001219 ΔE 0.031
- Rich Black #0D1B2A ΔE 0.067
- Very Dark Brown #1D0200 ΔE 0.078
- Jet #212529 ΔE 0.099
- Dark #1B2431 ΔE 0.099
- Dark Navy Blue #00022E ΔE 0.104
- Midnight #03012D ΔE 0.105
Use #03130B 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.