#0C170B
Closest named color: Rich Navy (#001219). oklch(19% 0.029 142.4), rgb(12, 23, 11).
Aa
White text reads best on this color (18.37:1).
About this color
#0C170B is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.044 away. White text reads best on it, at 18.37:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.37:1 |
Values
| HEX | #0C170B |
| RGB | rgb(12, 23, 11) |
| HSL | hsl(115, 35%, 7%) |
| OKLCH | oklch(19% 0.029 142.4) |
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 #0C170B | 18.37:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0C170B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #0C170B text on white | 18.37:1 | AAA | Lc 105.0 | Preferred for body text |
| #0C170B text on black | 1.14:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D2DCD1
oklch(88.4% 0.018 142.8)
-
Step 300
300
#B5C7B3
oklch(81% 0.034 142.5)
-
Step 400
400
#8EAA8B
oklch(70.8% 0.054 142.4)
-
Step 500
500
#71956E
oklch(63.2% 0.07 142.8)
-
Step 600
600
#597F56
oklch(55.7% 0.075 142.7)
-
Step 700
700
#496B46
oklch(49.1% 0.07 142.5)
-
Step 800
800
#3C573A
oklch(42.6% 0.057 142.8)
-
Step 900
900
#344832
oklch(37.8% 0.045 142.4)
-
Step 950
950 (this color)
#0C170B
oklch(19% 0.029 142.4)
#0C170B 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) | #18150A | 0.022 |
| Deuteranopia (no green cones) | #16140C | 0.021 |
| Tritanopia (no blue cones) | #0B1614 | 0.019 |
| Achromatopsia (no color) | #141414 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C170B
#0C170B
oklch(19% 0.029 142.4)
- #1A0F1B
#1A0F1B
oklch(18.9% 0.029 323.8)
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 #0C170B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.044
- Almost Black #070D0D ΔE 0.044
- Rich Black #0D1B2A ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.079
- Jet #212529 ΔE 0.079
- Dark #1B2431 ΔE 0.083
- Dark Brown #341C02 ΔE 0.085
- Dark Forest Green #002D04 ΔE 0.087
Use #0C170B 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.