#172425
Closest named color: Jet (#212529). oklch(24.9% 0.018 202.1), rgb(23, 36, 37).
Aa
White text reads best on this color (15.96:1).
About this color
#172425 is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.019 away. White text reads best on it, at 15.96:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 15.96:1 |
Values
| HEX | #172425 |
| RGB | rgb(23, 36, 37) |
| HSL | hsl(184, 23%, 12%) |
| OKLCH | oklch(24.9% 0.018 202.1) |
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 #172425 | 15.96:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #172425 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #172425 text on white | 15.96:1 | AAA | Lc 102.9 | Preferred for body text |
| #172425 text on black | 1.31:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDC
oklch(88.6% 0.012 196.9)
-
Step 300
300
#B1C5C6
oklch(80.9% 0.022 200.4)
-
Step 400
400
#88A7AA
oklch(70.6% 0.034 203.7)
-
Step 500
500
#6A9295
oklch(63.2% 0.044 201.9)
-
Step 600
600
#517C7F
oklch(55.6% 0.048 201.4)
-
Step 700
700
#42686B
oklch(49% 0.043 202.2)
-
Step 800
800
#365558
oklch(42.7% 0.037 203.6)
-
Step 900
900
#2F4648
oklch(37.6% 0.029 202.8)
-
Step 950
950 (this color)
#172425
oklch(24.9% 0.018 202.1)
#172425 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) | #222325 | 0.018 |
| Deuteranopia (no green cones) | #202125 | 0.017 |
| Tritanopia (no blue cones) | #122524 | 0.008 |
| Achromatopsia (no color) | #222222 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172425
#172425
oklch(24.9% 0.018 202.1)
- #291E1D
#291E1D
oklch(24.8% 0.017 24.4)
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 #172425, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.019
- Dark #1B2431 ΔE 0.025
- Rich Black #0D1B2A ΔE 0.041
- Oxford Blue #1B263B ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.068
- Dark Brown #341C02 ΔE 0.069
- Gunmetal #293241 ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.076
Use #172425 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.