#005787
Closest named color: Deep Sea Blue (#015482). oklch(43.9% 0.106 242.8), rgb(0, 87, 135).
Aa
White text reads best on this color (7.74:1).
About this color
#005787 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.106 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.011 away. White text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #005787 |
| RGB | rgb(0, 87, 135) |
| HSL | hsl(201, 100%, 26%) |
| OKLCH | oklch(43.9% 0.106 242.8) |
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 #005787 | 7.74:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #005787 | 2.71:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #005787 text on white | 7.74:1 | AAA | Lc 86.3 | Fine for body text |
| #005787 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEE
oklch(88.4% 0.034 242.7)
-
Step 300
300
#9EC6E6
oklch(80.9% 0.062 242.7)
-
Step 400
400
#67A8D9
oklch(70.7% 0.098 242.5)
-
Step 500
500
#3691CF
oklch(63.1% 0.126 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800 (this color)
#005787
oklch(43.9% 0.106 242.8)
-
Step 900
900
#0E4669
oklch(37.8% 0.081 242)
-
Step 950
950
#0B293E
oklch(27% 0.053 242.9)
#005787 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) | #405989 | 0.048 |
| Deuteranopia (no green cones) | #2E4E86 | 0.034 |
| Tritanopia (no blue cones) | #006368 | 0.072 |
| Achromatopsia (no color) | #535353 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005787
#005787
oklch(43.9% 0.106 242.8)
- #784300
#784300
oklch(43.8% 0.1 62.4)
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 #005787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.011
- Light Navy #155084 ΔE 0.021
- Dusk Blue #26538D ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.048
- Cobalt #1E488F ΔE 0.048
- Peacock Blue #016795 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.055
Use #005787 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.