#172D2C
Closest named color: Jet (#212529). oklch(27.9% 0.028 191.9), rgb(23, 45, 44).
Aa
White text reads best on this color (14.50:1).
About this color
#172D2C is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.029 away. White text reads best on it, at 14.50:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.44:1 |
| White text | 14.50:1 |
Values
| HEX | #172D2C |
| RGB | rgb(23, 45, 44) |
| HSL | hsl(177, 32%, 13%) |
| OKLCH | oklch(27.9% 0.028 191.9) |
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 #172D2C | 14.50:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #172D2C | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #172D2C text on white | 14.50:1 | AAA | Lc 101.2 | Preferred for body text |
| #172D2C text on black | 1.44:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDC
oklch(88.4% 0.018 192.6)
-
Step 300
300
#A9C8C6
oklch(80.9% 0.033 191.7)
-
Step 400
400
#79ACA9
oklch(70.8% 0.054 191.4)
-
Step 500
500
#549794
oklch(63.1% 0.069 191.8)
-
Step 600
600
#36817E
oklch(55.6% 0.074 191.6)
-
Step 700
700
#276D6B
oklch(49.1% 0.069 192.5)
-
Step 800
800
#235957
oklch(42.7% 0.057 191.9)
-
Step 900
900
#224948
oklch(37.7% 0.044 193.2)
-
Step 950
950 (this color)
#172D2C
oklch(27.9% 0.028 191.9)
#172D2C 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) | #2B2B2C | 0.030 |
| Deuteranopia (no green cones) | #27282C | 0.028 |
| Tritanopia (no blue cones) | #0E2E2D | 0.009 |
| Achromatopsia (no color) | #292929 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172D2C
#172D2C
oklch(27.9% 0.028 191.9)
- #352325
#352325
oklch(27.9% 0.028 11.7)
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 #172D2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.029
- Dark #1B2431 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.043
- Gunmetal #293241 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.053
- Pakistan Green #283618 ΔE 0.058
- Midnight Green #073B4C ΔE 0.064
- Rich Black #0D1B2A ΔE 0.069
Use #172D2C 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.