#172C2C
Closest named color: Jet (#212529). oklch(27.6% 0.027 195.7), rgb(23, 44, 44).
Aa
White text reads best on this color (14.65:1).
About this color
#172C2C is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.026 away. White text reads best on it, at 14.65:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.43:1 |
| White text | 14.65:1 |
Values
| HEX | #172C2C |
| RGB | rgb(23, 44, 44) |
| HSL | hsl(180, 31%, 13%) |
| OKLCH | oklch(27.6% 0.027 195.7) |
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 #172C2C | 14.65:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #172C2C | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #172C2C text on white | 14.65:1 | AAA | Lc 101.4 | Preferred for body text |
| #172C2C text on black | 1.43:1 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#AAC7C7
oklch(80.8% 0.031 196.6)
-
Step 400
400
#7BABAB
oklch(70.7% 0.051 196.1)
-
Step 500
500
#579696
oklch(63.1% 0.065 195.6)
-
Step 600
600
#398081
oklch(55.5% 0.071 196.6)
-
Step 700
700
#2B6C6D
oklch(49% 0.065 196.6)
-
Step 800
800
#255859
oklch(42.6% 0.054 197.1)
-
Step 900
900
#244949
oklch(37.8% 0.042 195.5)
-
Step 950
950 (this color)
#172C2C
oklch(27.6% 0.027 195.7)
#172C2C 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) | #292A2C | 0.027 |
| Deuteranopia (no green cones) | #26272C | 0.027 |
| Tritanopia (no blue cones) | #0E2D2C | 0.010 |
| Achromatopsia (no color) | #282828 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172C2C
#172C2C
oklch(27.6% 0.027 195.7)
- #342223
#342223
oklch(27.5% 0.028 15.4)
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 #172C2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.026
- Dark #1B2431 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.041
- Gunmetal #293241 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.053
- Pakistan Green #283618 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.065
- Midnight Green #073B4C ΔE 0.066
Use #172C2C 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.