#175454
Closest named color: Deep Teal (#00555A). oklch(40.8% 0.06 195), rgb(23, 84, 84).
Aa
White text reads best on this color (8.63:1).
About this color
#175454 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.060 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.012 away. White text reads best on it, at 8.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #175454 |
| RGB | rgb(23, 84, 84) |
| HSL | hsl(180, 57%, 21%) |
| OKLCH | oklch(40.8% 0.06 195) |
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 #175454 | 8.63:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #175454 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #175454 text on white | 8.63:1 | AAA | Lc 89.4 | Fine for body text |
| #175454 text on black | 2.43:1 | Fails | Lc -12.9 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDD
oklch(88.4% 0.019 196.8)
-
Step 300
300
#A7C8C8
oklch(80.9% 0.035 196.5)
-
Step 400
400
#76ACAB
oklch(70.7% 0.057 194.5)
-
Step 500
500
#509797
oklch(63% 0.072 195.5)
-
Step 600
600
#2F8282
oklch(55.7% 0.079 195.1)
-
Step 700
700
#206D6D
oklch(48.9% 0.073 195)
-
Step 800
800 (this color)
#175454
oklch(40.8% 0.06 195)
-
Step 900
900
#1F4949
oklch(37.6% 0.047 195.3)
-
Step 950
950
#132B2B
oklch(27% 0.03 195.5)
#175454 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) | #4E5054 | 0.062 |
| Deuteranopia (no green cones) | #454954 | 0.058 |
| Tritanopia (no blue cones) | #005754 | 0.012 |
| Achromatopsia (no color) | #4C4C4C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175454
#175454
oklch(40.8% 0.06 195)
- #673C3F
#673C3F
oklch(40.9% 0.061 15.6)
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 #175454, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.012
- Dark Blue Green #005249 ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.023
- Dark Teal #014D4E ΔE 0.028
- Petrol #005F6A ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.052
Use #175454 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.