#172A22
Closest named color: Jet (#212529). oklch(26.6% 0.029 165.8), rgb(23, 42, 34).
Aa
White text reads best on this color (15.10:1).
About this color
#172A22 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.030 away. White text reads best on it, at 15.10:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.39:1 |
| White text | 15.10:1 |
Values
| HEX | #172A22 |
| RGB | rgb(23, 42, 34) |
| HSL | hsl(155, 29%, 13%) |
| OKLCH | oklch(26.6% 0.029 165.8) |
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 #172A22 | 15.10:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #172A22 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #172A22 text on white | 15.10:1 | AAA | Lc 101.9 | Preferred for body text |
| #172A22 text on black | 1.39:1 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BB
oklch(80.9% 0.034 164.9)
-
Step 400
400
#80AC98
oklch(70.7% 0.056 165.2)
-
Step 500
500
#5E977F
oklch(63% 0.071 165.7)
-
Step 600
600
#438269
oklch(55.7% 0.077 165.8)
-
Step 700
700
#346E57
oklch(49.2% 0.072 165.4)
-
Step 800
800
#2C5947
oklch(42.6% 0.059 165.6)
-
Step 900
900
#28493C
oklch(37.6% 0.045 166.8)
-
Step 950
950 (this color)
#172A22
oklch(26.6% 0.029 165.8)
#172A22 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) | #292822 | 0.029 |
| Deuteranopia (no green cones) | #262522 | 0.028 |
| Tritanopia (no blue cones) | #122A28 | 0.012 |
| Achromatopsia (no color) | #262626 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172A22
#172A22
oklch(26.6% 0.029 165.8)
- #302028
#302028
oklch(26.6% 0.028 347.7)
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 #172A22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.030
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Green #062E03 ΔE 0.057
- Pakistan Green #283618 ΔE 0.057
- Dark Forest Green #002D04 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.065
- Gunmetal #293241 ΔE 0.066
Use #172A22 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.