#005A6F
Closest named color: Petrol (#005F6A). oklch(43.3% 0.079 220.8), rgb(0, 90, 111).
Aa
White text reads best on this color (7.80:1).
About this color
#005A6F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.079 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #005A6F |
| RGB | rgb(0, 90, 111) |
| HSL | hsl(191, 100%, 22%) |
| OKLCH | oklch(43.3% 0.079 220.8) |
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 #005A6F | 7.80:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #005A6F | 2.69:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #005A6F text on white | 7.80:1 | AAA | Lc 86.6 | Fine for body text |
| #005A6F text on black | 2.69:1 | Fails | Lc -15.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A0C8D6
oklch(80.9% 0.047 221.2)
-
Step 400
400
#6AACC1
oklch(70.8% 0.074 220.3)
-
Step 500
500
#3A96B2
oklch(63% 0.095 221.6)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800 (this color)
#005A6F
oklch(43.3% 0.079 220.8)
-
Step 900
900
#104959
oklch(37.8% 0.062 221.2)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#005A6F 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) | #4D5770 | 0.064 |
| Deuteranopia (no green cones) | #404E6F | 0.057 |
| Tritanopia (no blue cones) | #006161 | 0.038 |
| Achromatopsia (no color) | #525252 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A6F
#005A6F
oklch(43.3% 0.079 220.8)
- #75402D
#75402D
oklch(43.2% 0.08 40.3)
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 #005A6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- Deep Teal #00555A ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.051
- Dark Aqua #05696B ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
- Light Navy #155084 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #005A6F 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.