#285380
Closest named color: Light Navy (#155084). oklch(43.4% 0.089 251.5), rgb(40, 83, 128).
Aa
White text reads best on this color (7.95:1).
About this color
#285380 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.089 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.020 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #285380 |
| RGB | rgb(40, 83, 128) |
| HSL | hsl(211, 52%, 33%) |
| OKLCH | oklch(43.4% 0.089 251.5) |
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 #285380 | 7.95:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #285380 | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #285380 text on white | 7.95:1 | AAA | Lc 87.4 | Fine for body text |
| #285380 text on black | 2.63:1 | Fails | Lc -14.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C4E2
oklch(81% 0.052 251.2)
-
Step 400
400
#7AA4D3
oklch(70.6% 0.083 251.8)
-
Step 500
500
#578DC8
oklch(63.1% 0.106 251.8)
-
Step 600
600
#3B76B4
oklch(55.6% 0.115 251.6)
-
Step 700
700
#2C639B
oklch(49.1% 0.107 251.3)
-
Step 800
800 (this color)
#285380
oklch(43.4% 0.089 251.5)
-
Step 900
900
#244365
oklch(37.6% 0.069 252.1)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#285380 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) | #3F5582 | 0.028 |
| Deuteranopia (no green cones) | #334D7F | 0.019 |
| Tritanopia (no blue cones) | #005E63 | 0.071 |
| Achromatopsia (no color) | #515151 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285380
#285380
oklch(43.4% 0.089 251.5)
- #6F4709
#6F4709
oklch(43.4% 0.089 70.9)
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 #285380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.020
- Deep Sea Blue #015482 ΔE 0.021
- Dusk Blue #26538D ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.043
- Cobalt #1E488F ΔE 0.046
- Dusk #4E5481 ΔE 0.047
Use #285380 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.