#285690
Closest named color: Dusk Blue (#26538D). oklch(45.1% 0.108 255.5), rgb(40, 86, 144).
Aa
White text reads best on this color (7.43:1).
About this color
#285690 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.010 away. White text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #285690 |
| RGB | rgb(40, 86, 144) |
| HSL | hsl(213, 57%, 36%) |
| OKLCH | oklch(45.1% 0.108 255.5) |
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 #285690 | 7.43:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #285690 | 2.82:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #285690 text on white | 7.43:1 | AAA | Lc 85.6 | Fine for body text |
| #285690 text on black | 2.82:1 | Fails | Lc -16.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF1
oklch(88.6% 0.035 254.9)
-
Step 300
300
#A6C3E9
oklch(80.9% 0.063 255.3)
-
Step 400
400
#76A3DF
oklch(70.7% 0.101 255.9)
-
Step 500
500
#518BD6
oklch(63.1% 0.129 255.6)
-
Step 600
600
#3473C3
oklch(55.5% 0.14 255.8)
-
Step 700
700
#2660A9
oklch(49% 0.131 255.9)
-
Step 800
800 (this color)
#285690
oklch(45.1% 0.108 255.5)
-
Step 900
900
#20426D
oklch(37.6% 0.084 255.3)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#285690 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) | #3B5A92 | 0.024 |
| Deuteranopia (no green cones) | #2B518F | 0.014 |
| Tritanopia (no blue cones) | #00646C | 0.085 |
| Achromatopsia (no color) | #555555 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285690
#285690
oklch(45.1% 0.108 255.5)
- #744D00
#744D00
oklch(45.2% 0.095 75.5)
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 #285690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.010
- Light Navy Blue #2E5A88 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy #155084 ΔE 0.031
- Deep Sea Blue #015482 ΔE 0.034
- Cobalt #1E488F ΔE 0.043
- Twilight #4E518B ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
Use #285690 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.