#17272F
Closest named color: Dark (#1B2431). oklch(26.2% 0.026 230.7), rgb(23, 39, 47).
Aa
White text reads best on this color (15.35:1).
About this color
#17272F is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.013 away. White text reads best on it, at 15.35:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.36:1 |
| White text | 15.35:1 |
Values
| HEX | #17272F |
| RGB | rgb(23, 39, 47) |
| HSL | hsl(200, 34%, 14%) |
| OKLCH | oklch(26.2% 0.026 230.7) |
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 #17272F | 15.35:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #17272F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #17272F text on white | 15.35:1 | AAA | Lc 102.2 | Preferred for body text |
| #17272F text on black | 1.36:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#81A7BA
oklch(70.7% 0.05 229.9)
-
Step 500
500
#6191A9
oklch(63.1% 0.063 230.7)
-
Step 600
600
#467B94
oklch(55.6% 0.069 230.1)
-
Step 700
700
#37677E
oklch(49% 0.064 230.8)
-
Step 800
800
#2E5467
oklch(42.6% 0.054 231.6)
-
Step 900
900
#2A4654
oklch(37.8% 0.041 231)
-
Step 950
950 (this color)
#17272F
oklch(26.2% 0.026 230.7)
#17272F 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) | #23262F | 0.019 |
| Deuteranopia (no green cones) | #20242F | 0.016 |
| Tritanopia (no blue cones) | #0D292A | 0.018 |
| Achromatopsia (no color) | #252525 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17272F
#17272F
oklch(26.2% 0.026 230.7)
- #2F2119
#2F2119
oklch(26.2% 0.026 51)
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 #17272F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.013
- Jet #212529 ΔE 0.017
- Oxford Blue #1B263B ΔE 0.025
- Rich Black #0D1B2A ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.055
- Midnight Green #073B4C ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.079
Use #17272F 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.