#17393F
Closest named color: Midnight Green (#073B4C). oklch(32.2% 0.041 210.6), rgb(23, 57, 63).
Aa
White text reads best on this color (12.40:1).
About this color
#17393F is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.041 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.023 away. White text reads best on it, at 12.40:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.69:1 |
| White text | 12.40:1 |
Values
| HEX | #17393F |
| RGB | rgb(23, 57, 63) |
| HSL | hsl(189, 47%, 17%) |
| OKLCH | oklch(32.2% 0.041 210.6) |
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 #17393F | 12.40:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #17393F | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #17393F text on white | 12.40:1 | AAA | Lc 98.1 | Preferred for body text |
| #17393F text on black | 1.69:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9DCAD2
oklch(81% 0.049 209.6)
-
Step 400
400
#63AEBC
oklch(70.7% 0.077 210.9)
-
Step 500
500
#2A99AB
oklch(63.1% 0.099 211)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005A66
oklch(42.9% 0.074 210.4)
-
Step 900
900
#034A55
oklch(37.6% 0.064 211.9)
-
Step 950
950 (this color)
#17393F
oklch(32.2% 0.041 210.6)
#17393F 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) | #34373F | 0.038 |
| Deuteranopia (no green cones) | #2E323F | 0.036 |
| Tritanopia (no blue cones) | #003C3B | 0.021 |
| Achromatopsia (no color) | #343434 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17393F
#17393F
oklch(32.2% 0.041 210.6)
- #462B27
#462B27
oklch(32.1% 0.041 28.8)
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 #17393F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.027
- Gunmetal #293241 ΔE 0.032
- Onyx #343A40 ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.050
- Charcoal #264653 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.059
Use #17393F 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.