#12170D
Closest named color: Rich Navy (#001219). oklch(19.6% 0.021 129.7), rgb(18, 23, 13).
Aa
White text reads best on this color (18.19:1).
About this color
#12170D is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.047 away. White text reads best on it, at 18.19:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.19:1 |
Values
| HEX | #12170D |
| RGB | rgb(18, 23, 13) |
| HSL | hsl(90, 28%, 7%) |
| OKLCH | oklch(19.6% 0.021 129.7) |
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 #12170D | 18.19:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #12170D | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #12170D text on white | 18.19:1 | AAA | Lc 104.9 | Preferred for body text |
| #12170D text on black | 1.15:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD2
oklch(88.5% 0.013 130.8)
-
Step 300
300
#BBC4B4
oklch(80.9% 0.024 131.2)
-
Step 400
400
#99A68C
oklch(70.8% 0.04 129.1)
-
Step 500
500
#809070
oklch(63.2% 0.05 129.4)
-
Step 600
600
#697A58
oklch(55.6% 0.055 129.6)
-
Step 700
700
#576748
oklch(49.2% 0.051 130.3)
-
Step 800
800
#47543B
oklch(42.7% 0.043 130.4)
-
Step 900
900
#3C4533
oklch(37.7% 0.032 129.5)
-
Step 950
950 (this color)
#12170D
oklch(19.6% 0.021 129.7)
#12170D 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) | #18160C | 0.011 |
| Deuteranopia (no green cones) | #17150D | 0.012 |
| Tritanopia (no blue cones) | #121614 | 0.015 |
| Achromatopsia (no color) | #151515 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12170D
#12170D
oklch(19.6% 0.021 129.7)
- #18131C
#18131C
oklch(19.7% 0.019 309.8)
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 #12170D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.047
- Almost Black #070D0D ΔE 0.047
- Rich Black #0D1B2A ΔE 0.054
- Jet #212529 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.074
- Dark Brown #341C02 ΔE 0.076
- Dark #1B2431 ΔE 0.076
- Dark Forest Green #002D04 ΔE 0.089
Use #12170D 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.