#172C24
Closest named color: Jet (#212529). oklch(27.2% 0.031 167.8), rgb(23, 44, 36).
Aa
White text reads best on this color (14.76:1).
About this color
#172C24 is a dark, muted green. In OKLCH its lightness is 27%, its chroma 0.031 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 14.76:1.
| Hue family | Greens |
| Lightness | dark (27%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.42:1 |
| White text | 14.76:1 |
Values
| HEX | #172C24 |
| RGB | rgb(23, 44, 36) |
| HSL | hsl(157, 31%, 13%) |
| OKLCH | oklch(27.2% 0.031 167.8) |
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 #172C24 | 14.76:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #172C24 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #172C24 text on white | 14.76:1 | AAA | Lc 101.6 | Preferred for body text |
| #172C24 text on black | 1.42:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BC
oklch(81% 0.037 167.4)
-
Step 400
400
#7DAD99
oklch(70.8% 0.059 167)
-
Step 500
500
#599881
oklch(63% 0.075 168.5)
-
Step 600
600
#3C836A
oklch(55.7% 0.082 167.8)
-
Step 700
700
#2D6F58
oklch(49.2% 0.077 167.4)
-
Step 800
800
#275A48
oklch(42.7% 0.063 167.7)
-
Step 900
900
#254A3C
oklch(37.7% 0.049 167.1)
-
Step 950
950 (this color)
#172C24
oklch(27.2% 0.031 167.8)
#172C24 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) | #2B2924 | 0.032 |
| Deuteranopia (no green cones) | #282725 | 0.031 |
| Tritanopia (no blue cones) | #112C2A | 0.012 |
| Achromatopsia (no color) | #282828 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172C24
#172C24
oklch(27.2% 0.031 167.8)
- #33212A
#33212A
oklch(27.4% 0.031 347.9)
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 #172C24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Dark #1B2431 ΔE 0.044
- Pakistan Green #283618 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.055
- Very Dark Green #062E03 ΔE 0.057
- Dark Forest Green #002D04 ΔE 0.058
- Gunmetal #293241 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.066
Use #172C24 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.