#285180
Closest named color: Light Navy (#155084). oklch(42.9% 0.091 253.4), rgb(40, 81, 128).
Aa
White text reads best on this color (8.14:1).
About this color
#285180 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.091 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.016 away. White text reads best on it, at 8.14:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #285180 |
| RGB | rgb(40, 81, 128) |
| HSL | hsl(212, 52%, 33%) |
| OKLCH | oklch(42.9% 0.091 253.4) |
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 #285180 | 8.14:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #285180 | 2.57:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #285180 text on white | 8.14:1 | AAA | Lc 88.0 | Fine for body text |
| #285180 text on black | 2.57:1 | Fails | Lc -14.2 | 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
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400
#7BA4D5
oklch(70.8% 0.085 253.3)
-
Step 500
500
#588CCA
oklch(63% 0.109 253.7)
-
Step 600
600
#3C75B6
oklch(55.5% 0.118 253.3)
-
Step 700
700
#2E629D
oklch(49% 0.11 253.4)
-
Step 800
800 (this color)
#285180
oklch(42.9% 0.091 253.4)
-
Step 900
900
#254366
oklch(37.7% 0.07 253.4)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#285180 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) | #3C5482 | 0.025 |
| Deuteranopia (no green cones) | #304C7F | 0.016 |
| Tritanopia (no blue cones) | #005C62 | 0.072 |
| Achromatopsia (no color) | #4F4F4F | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285180
#285180
oklch(42.9% 0.091 253.4)
- #6D4600
#6D4600
oklch(42.8% 0.091 73.1)
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 #285180, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.016
- Dusk Blue #26538D ΔE 0.021
- Deep Sea Blue #015482 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.030
- Cobalt #1E488F ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.046
- Dusk #4E5481 ΔE 0.049
Use #285180 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.