#0B1913
Closest named color: Rich Navy (#001219). oklch(19.8% 0.023 165.1), rgb(11, 25, 19).
Aa
White text reads best on this color (18.06:1).
About this color
#0B1913 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.040 away. White text reads best on it, at 18.06:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.06:1 |
Values
| HEX | #0B1913 |
| RGB | rgb(11, 25, 19) |
| HSL | hsl(154, 39%, 7%) |
| OKLCH | oklch(19.8% 0.023 165.1) |
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 #0B1913 | 18.06:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #0B1913 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #0B1913 text on white | 18.06:1 | AAA | Lc 104.7 | Preferred for body text |
| #0B1913 text on black | 1.16:1 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DCD7
oklch(88.4% 0.015 169.2)
-
Step 300
300
#B1C7BC
oklch(81% 0.028 164.2)
-
Step 400
400
#88AA9A
oklch(70.8% 0.044 164.9)
-
Step 500
500
#699581
oklch(63.2% 0.057 164.8)
-
Step 600
600
#507F6A
oklch(55.6% 0.061 164.4)
-
Step 700
700
#406B59
oklch(49.1% 0.056 165.7)
-
Step 800
800
#355749
oklch(42.6% 0.046 166.3)
-
Step 900
900
#2F483D
oklch(37.8% 0.036 165.3)
-
Step 950
950 (this color)
#0B1913
oklch(19.8% 0.023 165.1)
#0B1913 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) | #181713 | 0.023 |
| Deuteranopia (no green cones) | #161613 | 0.021 |
| Tritanopia (no blue cones) | #081917 | 0.008 |
| Achromatopsia (no color) | #161616 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1913
#0B1913
oklch(19.8% 0.023 165.1)
- #1D1118
#1D1118
oklch(19.7% 0.024 343.6)
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 #0B1913, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.046
- Almost Black #070D0D ΔE 0.048
- Jet #212529 ΔE 0.068
- Dark #1B2431 ΔE 0.070
- Dark Brown #341C02 ΔE 0.084
- Very Dark Brown #1D0200 ΔE 0.085
- Dark Forest Green #002D04 ΔE 0.086
Use #0B1913 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.