#004340
Closest named color: Dark Teal (#014D4E). oklch(34.5% 0.06 189.7), rgb(0, 67, 64).
Aa
White text reads best on this color (11.18:1).
About this color
#004340 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.060 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.037 away. White text reads best on it, at 11.18:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #004340 |
| RGB | rgb(0, 67, 64) |
| HSL | hsl(177, 100%, 13%) |
| OKLCH | oklch(34.5% 0.06 189.7) |
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 #004340 | 11.18:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #004340 | 1.87:1 | Fails | Lc 8.5 | Not readable |
| #004340 text on white | 11.18:1 | AAA | Lc 95.4 | Preferred for body text |
| #004340 text on black | 1.87:1 | Fails | Lc 0.0 | 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
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DFDD
oklch(88.6% 0.025 190.4)
-
Step 300
300
#A0CAC7
oklch(80.8% 0.045 190.9)
-
Step 400
400
#69AFAA
oklch(70.6% 0.071 189.8)
-
Step 500
500
#379B95
oklch(63.1% 0.092 189.5)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900 (this color)
#004340
oklch(34.5% 0.06 189.7)
-
Step 950
950
#0C2C2A
oklch(26.9% 0.037 189.5)
#004340 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) | #3E3F40 | 0.062 |
| Deuteranopia (no green cones) | #363841 | 0.061 |
| Tritanopia (no blue cones) | #004542 | 0.007 |
| Achromatopsia (no color) | #3B3B3B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004340
#004340
oklch(34.5% 0.06 189.7)
- #542B32
#542B32
oklch(34.5% 0.061 9.9)
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 #004340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.037
- Midnight Green #073B4C ΔE 0.040
- Evergreen #05472A ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.050
- Onyx #343A40 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.059
Use #004340 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.