#175651
Closest named color: Deep Teal (#00555A). oklch(41.3% 0.063 187.4), rgb(23, 86, 81).
Aa
White text reads best on this color (8.44:1).
About this color
#175651 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.063 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.018 away. White text reads best on it, at 8.44:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #175651 |
| RGB | rgb(23, 86, 81) |
| HSL | hsl(175, 58%, 21%) |
| OKLCH | oklch(41.3% 0.063 187.4) |
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 #175651 | 8.44:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #175651 | 2.48:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #175651 text on white | 8.44:1 | AAA | Lc 88.8 | Fine for body text |
| #175651 text on black | 2.48:1 | Fails | Lc -13.4 | 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
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C5
oklch(81% 0.037 187.7)
-
Step 400
400
#76ADA7
oklch(70.8% 0.058 187.4)
-
Step 500
500
#4E9891
oklch(63% 0.075 187.4)
-
Step 600
600
#2D837C
oklch(55.7% 0.082 187.5)
-
Step 700
700
#1E6E68
oklch(49% 0.075 187.7)
-
Step 800
800 (this color)
#175651
oklch(41.3% 0.063 187.4)
-
Step 900
900
#1E4A46
oklch(37.7% 0.049 187.3)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#175651 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) | #515151 | 0.067 |
| Deuteranopia (no green cones) | #484A52 | 0.064 |
| Tritanopia (no blue cones) | #005854 | 0.010 |
| Achromatopsia (no color) | #4D4D4D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175651
#175651
oklch(41.3% 0.063 187.4)
- #683C45
#683C45
oklch(41.2% 0.063 7)
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 #175651, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.018
- Dark Blue Green #005249 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.033
- Petrol #005F6A ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.043
- Charcoal #264653 ΔE 0.055
- Spruce #0A5F38 ΔE 0.058
Use #175651 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.