#17534C
Closest named color: Dark Blue Green (#005249). oklch(40.2% 0.061 184), rgb(23, 83, 76).
Aa
White text reads best on this color (8.83:1).
About this color
#17534C is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.013 away. White text reads best on it, at 8.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #17534C |
| RGB | rgb(23, 83, 76) |
| HSL | hsl(173, 57%, 21%) |
| OKLCH | oklch(40.2% 0.061 184) |
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 #17534C | 8.83:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #17534C | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #17534C text on white | 8.83:1 | AAA | Lc 89.9 | Fine for body text |
| #17534C text on black | 2.37:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A8C9C3
oklch(81% 0.036 183.2)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#51988E
oklch(63% 0.074 183.8)
-
Step 600
600
#318279
oklch(55.5% 0.079 185.1)
-
Step 700
700
#236E65
oklch(49% 0.074 183.9)
-
Step 800
800 (this color)
#17534C
oklch(40.2% 0.061 184)
-
Step 900
900
#204A44
oklch(37.7% 0.048 183.2)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#17534C 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) | #4F4E4C | 0.066 |
| Deuteranopia (no green cones) | #46484D | 0.061 |
| Tritanopia (no blue cones) | #005551 | 0.011 |
| Achromatopsia (no color) | #4A4A4A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17534C
#17534C
oklch(40.2% 0.061 184)
- #643A44
#643A44
oklch(40.3% 0.061 4.8)
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 #17534C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.013
- Deep Teal #00555A ΔE 0.023
- Dark Teal #014D4E ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal #264653 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.053
- Petrol #005F6A ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.058
Use #17534C 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.