#004E64
Closest named color: Deep Teal (#00555A). oklch(39.4% 0.075 224.8), rgb(0, 78, 100).
Aa
White text reads best on this color (9.23:1).
About this color
#004E64 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.033 away. White text reads best on it, at 9.23:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #004E64 |
| RGB | rgb(0, 78, 100) |
| HSL | hsl(193, 100%, 20%) |
| OKLCH | oklch(39.4% 0.075 224.8) |
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 #004E64 | 9.23:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #004E64 | 2.27:1 | Fails | Lc 13.2 | Not readable |
| #004E64 text on white | 9.23:1 | AAA | Lc 90.8 | Preferred for body text |
| #004E64 text on black | 2.27:1 | Fails | Lc -11.5 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFECF2
oklch(93.5% 0.016 227)
-
Step 200
200
#C4DEE9
oklch(88.5% 0.032 225.1)
-
Step 300
300
#9AC9DC
oklch(80.9% 0.056 224.7)
-
Step 400
400
#5DADCA
oklch(70.8% 0.089 224)
-
Step 500
500
#1997BD
oklch(63.1% 0.114 225)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900 (this color)
#004E64
oklch(39.4% 0.075 224.8)
-
Step 950
950
#042B38
oklch(27% 0.048 225.4)
#004E64 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) | #424C65 | 0.057 |
| Deuteranopia (no green cones) | #364464 | 0.049 |
| Tritanopia (no blue cones) | #005455 | 0.037 |
| Achromatopsia (no color) | #474747 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004E64
#004E64
oklch(39.4% 0.075 224.8)
- #673822
#673822
oklch(39.5% 0.075 45)
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 #004E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal #264653 ΔE 0.036
- Dark Teal #014D4E ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.051
- Dark Blue Green #005249 ΔE 0.053
- Petrol #005F6A ΔE 0.054
Use #004E64 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.