#004640
Closest named color: Dark Teal (#014D4E). oklch(35.4% 0.062 185.2), rgb(0, 70, 64).
Aa
White text reads best on this color (10.76:1).
About this color
#004640 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.062 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.029 away. White text reads best on it, at 10.76:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #004640 |
| RGB | rgb(0, 70, 64) |
| HSL | hsl(175, 100%, 14%) |
| OKLCH | oklch(35.4% 0.062 185.2) |
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 #004640 | 10.76:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #004640 | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #004640 text on white | 10.76:1 | AAA | Lc 94.5 | Preferred for body text |
| #004640 text on black | 1.95:1 | Fails | Lc -8.1 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C7DFDB
oklch(88.5% 0.026 184.7)
-
Step 300
300
#9FCBC4
oklch(80.9% 0.047 184.4)
-
Step 400
400
#67B0A7
oklch(70.7% 0.075 185.6)
-
Step 500
500
#339C91
oklch(63.1% 0.096 185.1)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900 (this color)
#004640
oklch(35.4% 0.062 185.2)
-
Step 950
950
#0A2D29
oklch(27.1% 0.04 184.5)
#004640 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) | #424140 | 0.067 |
| Deuteranopia (no green cones) | #393B41 | 0.063 |
| Tritanopia (no blue cones) | #004844 | 0.008 |
| Achromatopsia (no color) | #3E3E3E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004640
#004640
oklch(35.4% 0.062 185.2)
- #572D37
#572D37
oklch(35.5% 0.063 5.5)
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 #004640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.029
- Evergreen #05472A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.040
- Charcoal #264653 ΔE 0.046
- Midnight Green #073B4C ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.055
- Pine Green #0A481E ΔE 0.056
Use #004640 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.