#005D80
Closest named color: Deep Sea Blue (#015482). oklch(45% 0.093 232.9), rgb(0, 93, 128).
Aa
White text reads best on this color (7.29:1).
About this color
#005D80 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.093 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.029 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #005D80 |
| RGB | rgb(0, 93, 128) |
| HSL | hsl(196, 100%, 25%) |
| OKLCH | oklch(45% 0.093 232.9) |
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 #005D80 | 7.29:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #005D80 | 2.87:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #005D80 text on white | 7.29:1 | AAA | Lc 84.8 | Fine for body text |
| #005D80 text on black | 2.87:1 | Fails | Lc -17.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEA
oklch(88.4% 0.03 232.5)
-
Step 300
300
#9EC7DE
oklch(80.8% 0.054 232.9)
-
Step 400
400
#66AACE
oklch(70.7% 0.087 233)
-
Step 500
500
#3394C1
oklch(63% 0.111 232.8)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800 (this color)
#005D80
oklch(45% 0.093 232.9)
-
Step 900
900
#0B4861
oklch(37.8% 0.071 231.7)
-
Step 950
950
#0A2A39
oklch(27% 0.046 232.6)
#005D80 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) | #4B5C82 | 0.058 |
| Deuteranopia (no green cones) | #3C527F | 0.048 |
| Tritanopia (no blue cones) | #006669 | 0.054 |
| Achromatopsia (no color) | #565656 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005D80
#005D80
oklch(45% 0.093 232.9)
- #7D451E
#7D451E
oklch(45.1% 0.093 52.7)
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 #005D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.031
- Petrol #005F6A ΔE 0.040
- Peacock Blue #016795 ΔE 0.042
- Light Navy #155084 ΔE 0.042
- Dusk Blue #26538D ΔE 0.044
- YInMn Blue #415A77 ΔE 0.045
- Denim #3B638C ΔE 0.048
Use #005D80 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.