#005771
Closest named color: Petrol (#005F6A). oklch(42.6% 0.082 226.6), rgb(0, 87, 113).
Aa
White text reads best on this color (8.07:1).
About this color
#005771 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.032 away. White text reads best on it, at 8.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #005771 |
| RGB | rgb(0, 87, 113) |
| HSL | hsl(194, 100%, 22%) |
| OKLCH | oklch(42.6% 0.082 226.6) |
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 #005771 | 8.07:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #005771 | 2.60:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #005771 text on white | 8.07:1 | AAA | Lc 87.4 | Fine for body text |
| #005771 text on black | 2.60:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D9
oklch(81% 0.048 226.3)
-
Step 400
400
#6AABC6
oklch(70.8% 0.077 226.4)
-
Step 500
500
#3C95B7
oklch(63.1% 0.098 226.8)
-
Step 600
600
#037FA3
oklch(55.6% 0.106 226.6)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800 (this color)
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#12485C
oklch(37.7% 0.064 227.4)
-
Step 950
950
#0D2A36
oklch(26.9% 0.041 228.4)
#005771 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) | #495572 | 0.060 |
| Deuteranopia (no green cones) | #3B4C71 | 0.051 |
| Tritanopia (no blue cones) | #005E60 | 0.042 |
| Achromatopsia (no color) | #505050 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005771
#005771
oklch(42.6% 0.082 226.6)
- #733F25
#733F25
oklch(42.6% 0.082 46.3)
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 #005771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.033
- Deep Teal #00555A ΔE 0.039
- Light Navy #155084 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.052
- Dusk Blue #26538D ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.057
Use #005771 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.