#0A5C74
Closest named color: Petrol (#005F6A). oklch(44.2% 0.08 224.4), rgb(10, 92, 116).
Aa
White text reads best on this color (7.51:1).
About this color
#0A5C74 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 44%, its chroma 0.080 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 7.51:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #0A5C74 |
| RGB | rgb(10, 92, 116) |
| HSL | hsl(194, 84%, 25%) |
| OKLCH | oklch(44.2% 0.08 224.4) |
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 #0A5C74 | 7.51:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #0A5C74 | 2.79:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #0A5C74 text on white | 7.51:1 | AAA | Lc 85.7 | Fine for body text |
| #0A5C74 text on black | 2.79:1 | Fails | Lc -16.4 | 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
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A1C8D7
oklch(81% 0.046 223.3)
-
Step 400
400
#6BABC4
oklch(70.7% 0.075 224.9)
-
Step 500
500
#3C96B5
oklch(63.2% 0.096 224.3)
-
Step 600
600
#047FA0
oklch(55.5% 0.104 224.5)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800 (this color)
#0A5C74
oklch(44.2% 0.08 224.4)
-
Step 900
900
#12485A
oklch(37.6% 0.062 224.8)
-
Step 950
950
#0D2A35
oklch(26.9% 0.04 226.2)
#0A5C74 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) | #4F5A75 | 0.062 |
| Deuteranopia (no green cones) | #415074 | 0.054 |
| Tritanopia (no blue cones) | #006364 | 0.040 |
| Achromatopsia (no color) | #555555 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A5C74
#0A5C74
oklch(44.2% 0.08 224.4)
- #77442C
#77442C
oklch(44.2% 0.079 45.3)
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 #0A5C74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.044
- Deep Teal #00555A ΔE 0.046
- Dark Aqua #05696B ΔE 0.049
- Light Navy #155084 ΔE 0.051
- Peacock Blue #016795 ΔE 0.057
Use #0A5C74 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.