#172E2D
Closest named color: Jet (#212529). oklch(28.2% 0.029 192), rgb(23, 46, 45).
Aa
White text reads best on this color (14.33:1).
About this color
#172E2D is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 14.33:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.33:1 |
Values
| HEX | #172E2D |
| RGB | rgb(23, 46, 45) |
| HSL | hsl(177, 33%, 14%) |
| OKLCH | oklch(28.2% 0.029 192) |
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 #172E2D | 14.33:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #172E2D | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #172E2D text on white | 14.33:1 | AAA | Lc 101.0 | Preferred for body text |
| #172E2D text on black | 1.46:1 | 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
#A8C8C6
oklch(80.9% 0.034 191.8)
-
Step 400
400
#78ACA9
oklch(70.7% 0.055 191.5)
-
Step 500
500
#529794
oklch(63% 0.07 191.9)
-
Step 600
600
#32827F
oklch(55.7% 0.077 191.7)
-
Step 700
700
#236D6B
oklch(49% 0.071 192.5)
-
Step 800
800
#205957
oklch(42.6% 0.059 192)
-
Step 900
900
#204948
oklch(37.6% 0.046 193.3)
-
Step 950
950 (this color)
#172E2D
oklch(28.2% 0.029 192)
#172E2D 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) | #2C2C2D | 0.032 |
| Deuteranopia (no green cones) | #27292D | 0.028 |
| Tritanopia (no blue cones) | #0D2F2E | 0.010 |
| Achromatopsia (no color) | #2A2A2A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172E2D
#172E2D
oklch(28.2% 0.029 192)
- #362325
#362325
oklch(28% 0.029 12.2)
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 #172E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.032
- Dark #1B2431 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.045
- Gunmetal #293241 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.052
- Pakistan Green #283618 ΔE 0.056
- Midnight Green #073B4C ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.066
Use #172E2D 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.