#004F65
Closest named color: Deep Teal (#00555A). oklch(39.8% 0.075 224.5), rgb(0, 79, 101).
Aa
White text reads best on this color (9.10:1).
About this color
#004F65 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, 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 0.031 away. White text reads best on it, at 9.10:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #004F65 |
| RGB | rgb(0, 79, 101) |
| HSL | hsl(193, 100%, 20%) |
| OKLCH | oklch(39.8% 0.075 224.5) |
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 #004F65 | 9.10:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #004F65 | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #004F65 text on white | 9.10:1 | AAA | Lc 90.4 | Preferred for body text |
| #004F65 text on black | 2.30:1 | Fails | Lc -11.8 | 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
#5CADCB
oklch(70.8% 0.09 224.5)
-
Step 500
500
#1597BD
oklch(63% 0.115 224.7)
-
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)
#004F65
oklch(39.8% 0.075 224.5)
-
Step 950
950
#042B38
oklch(27% 0.048 225.4)
#004F65 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) | #434D66 | 0.058 |
| Deuteranopia (no green cones) | #374565 | 0.050 |
| Tritanopia (no blue cones) | #005656 | 0.040 |
| Achromatopsia (no color) | #484848 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004F65
#004F65
oklch(39.8% 0.075 224.5)
- #683923
#683923
oklch(39.8% 0.075 45.1)
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 #004F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.035
- Charcoal #264653 ΔE 0.038
- Dark Teal #014D4E ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Dark Blue Green #005249 ΔE 0.053
Use #004F65 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.