#285396
Closest named color: Dusk Blue (#26538D). oklch(44.8% 0.12 259), rgb(40, 83, 150).
Aa
White text reads best on this color (7.58:1).
About this color
#285396 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.120 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.015 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #285396 |
| RGB | rgb(40, 83, 150) |
| HSL | hsl(217, 58%, 37%) |
| OKLCH | oklch(44.8% 0.12 259) |
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 #285396 | 7.58:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #285396 | 2.76:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #285396 text on white | 7.58:1 | AAA | Lc 86.0 | Fine for body text |
| #285396 text on black | 2.76:1 | Fails | Lc -16.0 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A6C2EE
oklch(80.9% 0.07 259.3)
-
Step 400
400
#76A2E6
oklch(70.8% 0.111 258.9)
-
Step 500
500
#5189DF
oklch(63.2% 0.143 258.7)
-
Step 600
600
#3570CD
oklch(55.5% 0.157 259.3)
-
Step 700
700
#285EB1
oklch(49.2% 0.144 259)
-
Step 800
800 (this color)
#285396
oklch(44.8% 0.12 259)
-
Step 900
900
#214172
oklch(37.8% 0.092 258.7)
-
Step 950
950
#142643
oklch(27% 0.059 259.5)
#285396 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) | #325999 | 0.021 |
| Deuteranopia (no green cones) | #1E4F95 | 0.015 |
| Tritanopia (no blue cones) | #00636D | 0.095 |
| Achromatopsia (no color) | #545454 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285396
#285396
oklch(44.8% 0.12 259)
- #704D00
#704D00
oklch(44.7% 0.093 78.6)
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 #285396, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.015
- Denim Blue #3B5B92 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Light Navy #155084 ΔE 0.035
- Cobalt #1E488F ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.042
- Twilight #4E518B ΔE 0.048
- Dusky Blue #475F94 ΔE 0.053
Use #285396 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.