#004840
Closest named color: Dark Teal (#014D4E). oklch(36% 0.064 182.4), rgb(0, 72, 64).
Aa
White text reads best on this color (10.49:1).
About this color
#004840 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.064 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.026 away. White text reads best on it, at 10.49:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #004840 |
| RGB | rgb(0, 72, 64) |
| HSL | hsl(173, 100%, 14%) |
| OKLCH | oklch(36% 0.064 182.4) |
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 #004840 | 10.49:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #004840 | 2.00:1 | Fails | Lc 10.0 | Not readable |
| #004840 text on white | 10.49:1 | AAA | Lc 93.9 | Preferred for body text |
| #004840 text on black | 2.00:1 | Fails | Lc -8.6 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C7DFDA
oklch(88.4% 0.026 181.8)
-
Step 300
300
#9FCBC3
oklch(80.8% 0.048 182.7)
-
Step 400
400
#66B1A4
oklch(70.8% 0.078 181.6)
-
Step 500
500
#309D8E
oklch(63.1% 0.099 182)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900 (this color)
#004840
oklch(36% 0.064 182.4)
-
Step 950
950
#0A2D28
oklch(27.1% 0.041 182)
#004840 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) | #444340 | 0.068 |
| Deuteranopia (no green cones) | #3B3D41 | 0.064 |
| Tritanopia (no blue cones) | #004A46 | 0.011 |
| Achromatopsia (no color) | #3F3F3F | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004840
#004840
oklch(36% 0.064 182.4)
- #592E3A
#592E3A
oklch(36.1% 0.064 3)
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 #004840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.026
- Dark Blue Green #005249 ΔE 0.034
- Evergreen #05472A ΔE 0.036
- Charcoal #264653 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.051
- Pine Green #0A481E ΔE 0.053
- Deep Teal #00555A ΔE 0.054
- Midnight Green #073B4C ΔE 0.056
Use #004840 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.