#172E29
Closest named color: Jet (#212529). oklch(28% 0.031 178.4), rgb(23, 46, 41).
Aa
White text reads best on this color (14.39:1).
About this color
#172E29 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.031 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 14.39:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.39:1 |
Values
| HEX | #172E29 |
| RGB | rgb(23, 46, 41) |
| HSL | hsl(167, 33%, 14%) |
| OKLCH | oklch(28% 0.031 178.4) |
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 #172E29 | 14.39:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #172E29 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #172E29 text on white | 14.39:1 | AAA | Lc 101.1 | Preferred for body text |
| #172E29 text on black | 1.45:1 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#79ADA1
oklch(70.8% 0.058 178.6)
-
Step 500
500
#53988A
oklch(63% 0.074 179.1)
-
Step 600
600
#348374
oklch(55.7% 0.081 178.6)
-
Step 700
700
#256F61
oklch(49.2% 0.076 178.1)
-
Step 800
800
#215A4F
oklch(42.7% 0.062 178.3)
-
Step 900
900
#214A42
oklch(37.7% 0.048 179.1)
-
Step 950
950 (this color)
#172E29
oklch(28% 0.031 178.4)
#172E29 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) | #2C2B29 | 0.033 |
| Deuteranopia (no green cones) | #282929 | 0.029 |
| Tritanopia (no blue cones) | #0F2F2C | 0.009 |
| Achromatopsia (no color) | #2A2A2A | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172E29
#172E29
oklch(28% 0.031 178.4)
- #362329
#362329
oklch(28.2% 0.031 358.6)
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 #172E29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark #1B2431 ΔE 0.044
- Pakistan Green #283618 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.051
- Gunmetal #293241 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.059
- Very Dark Green #062E03 ΔE 0.063
- Dark Forest Green #002D04 ΔE 0.064
Use #172E29 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.