#224540
Closest named color: Dark Teal (#014D4E). oklch(36.2% 0.042 183.7), rgb(34, 69, 64).
Aa
White text reads best on this color (10.53:1).
About this color
#224540 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.032 away. White text reads best on it, at 10.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #224540 |
| RGB | rgb(34, 69, 64) |
| HSL | hsl(171, 34%, 20%) |
| OKLCH | oklch(36.2% 0.042 183.7) |
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 #224540 | 10.53:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #224540 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #224540 text on white | 10.53:1 | AAA | Lc 94.3 | Preferred for body text |
| #224540 text on black | 1.99:1 | Fails | Lc -8.2 | 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 900.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C3
oklch(81% 0.032 184)
-
Step 400
400
#7EABA4
oklch(70.7% 0.049 184.3)
-
Step 500
500
#5B968D
oklch(63% 0.063 183.5)
-
Step 600
600
#3E8178
oklch(55.7% 0.07 183.9)
-
Step 700
700
#2F6D65
oklch(49.2% 0.065 184.1)
-
Step 800
800
#295952
oklch(42.8% 0.054 183)
-
Step 900
900 (this color)
#224540
oklch(36.2% 0.042 183.7)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#224540 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) | #424240 | 0.044 |
| Deuteranopia (no green cones) | #3C3D40 | 0.042 |
| Tritanopia (no blue cones) | #134643 | 0.012 |
| Achromatopsia (no color) | #3F3F3F | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224540
#224540
oklch(36.2% 0.042 183.7)
- #51343B
#51343B
oklch(36.2% 0.043 3.7)
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 #224540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.032
- Charcoal #264653 ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.042
- Onyx #343A40 ΔE 0.042
- Dark Blue Green #005249 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.047
- Evergreen #05472A ΔE 0.047
Use #224540 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.