#005B68
Closest named color: Petrol (#005F6A). oklch(43.2% 0.075 211.5), rgb(0, 91, 104).
Aa
White text reads best on this color (7.78:1).
About this color
#005B68 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.075 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.013 away. White text reads best on it, at 7.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #005B68 |
| RGB | rgb(0, 91, 104) |
| HSL | hsl(188, 100%, 20%) |
| OKLCH | oklch(43.2% 0.075 211.5) |
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 #005B68 | 7.78:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #005B68 | 2.69:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #005B68 text on white | 7.78:1 | AAA | Lc 86.5 | Fine for body text |
| #005B68 text on black | 2.69:1 | Fails | Lc -15.6 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A1C9D1
oklch(81% 0.044 211.2)
-
Step 400
400
#6AADBA
oklch(70.8% 0.071 211.3)
-
Step 500
500
#3A98A9
oklch(63.1% 0.09 211.7)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800 (this color)
#005B68
oklch(43.2% 0.075 211.5)
-
Step 900
900
#104A53
oklch(37.8% 0.059 210.3)
-
Step 950
950
#0D2B31
oklch(27% 0.037 212.9)
#005B68 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) | #515769 | 0.070 |
| Deuteranopia (no green cones) | #444E68 | 0.063 |
| Tritanopia (no blue cones) | #00605F | 0.026 |
| Achromatopsia (no color) | #525252 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005B68
#005B68
oklch(43.2% 0.075 211.5)
- #744036
#744036
oklch(43.3% 0.075 31.8)
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 #005B68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.013
- Deep Teal #00555A ΔE 0.027
- Dark Aqua #05696B ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Blue Green #005249 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.054
- Dark Teal #014D4E ΔE 0.055
Use #005B68 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.