#005A75
Closest named color: Petrol (#005F6A). oklch(43.6% 0.084 226.8), rgb(0, 90, 117).
Aa
White text reads best on this color (7.72:1).
About this color
#005A75 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 44%, its chroma 0.084 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.028 away. White text reads best on it, at 7.72:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #005A75 |
| RGB | rgb(0, 90, 117) |
| HSL | hsl(194, 100%, 23%) |
| OKLCH | oklch(43.6% 0.084 226.8) |
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 #005A75 | 7.72:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #005A75 | 2.71:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #005A75 text on white | 7.72:1 | AAA | Lc 86.3 | Fine for body text |
| #005A75 text on black | 2.71:1 | Fails | Lc -15.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300
#A0C8D9
oklch(81% 0.049 225.7)
-
Step 400
400
#69ABC7
oklch(70.8% 0.079 227)
-
Step 500
500
#3895B8
oklch(63% 0.1 226.8)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800 (this color)
#005A75
oklch(43.6% 0.084 226.8)
-
Step 900
900
#0F485C
oklch(37.6% 0.065 226.7)
-
Step 950
950
#0C2A36
oklch(26.9% 0.042 227.8)
#005A75 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) | #4B5876 | 0.061 |
| Deuteranopia (no green cones) | #3E4F75 | 0.053 |
| Tritanopia (no blue cones) | #006263 | 0.045 |
| Achromatopsia (no color) | #535353 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A75
#005A75
oklch(43.6% 0.084 226.8)
- #774126
#774126
oklch(43.6% 0.085 46.2)
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 #005A75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.044
- Light Navy #155084 ΔE 0.045
- Deep Teal #00555A ΔE 0.045
- YInMn Blue #415A77 ΔE 0.048
- Dusk Blue #26538D ΔE 0.054
- Dark Aqua #05696B ΔE 0.056
Use #005A75 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.