#285F8F
Closest named color: Light Navy Blue (#2E5A88). oklch(47.2% 0.097 247.9), rgb(40, 95, 143).
Aa
White text reads best on this color (6.72:1).
About this color
#285F8F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.097 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.016 away. White text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #285F8F |
| RGB | rgb(40, 95, 143) |
| HSL | hsl(208, 56%, 36%) |
| OKLCH | oklch(47.2% 0.097 247.9) |
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 #285F8F | 6.72:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #285F8F | 3.12:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #285F8F text on white | 6.72:1 | AA | Lc 82.9 | Fine for body text |
| #285F8F text on black | 3.12:1 | AA large text | Lc -19.0 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7BA5CE
oklch(70.7% 0.076 248.3)
-
Step 500
500
#588EC1
oklch(63% 0.096 248.3)
-
Step 600
600
#3C78AD
oklch(55.7% 0.104 247.5)
-
Step 700
700 (this color)
#285F8F
oklch(47.2% 0.097 247.9)
-
Step 800
800
#275279
oklch(42.7% 0.081 248.2)
-
Step 900
900
#254461
oklch(37.7% 0.062 248.3)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#285F8F 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) | #496191 | 0.036 |
| Deuteranopia (no green cones) | #3B578E | 0.027 |
| Tritanopia (no blue cones) | #006A70 | 0.072 |
| Achromatopsia (no color) | #5C5C5C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285F8F
#285F8F
oklch(47.2% 0.097 247.9)
- #7F4F0F
#7F4F0F
oklch(47.2% 0.097 67.3)
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 #285F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.022
- Denim #3B638C ΔE 0.024
- Peacock Blue #016795 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.034
- Dusk Blue #26538D ΔE 0.036
- YInMn Blue #415A77 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.046
Use #285F8F 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.