#28608F
Closest named color: Light Navy Blue (#2E5A88). oklch(47.5% 0.096 247), rgb(40, 96, 143).
Aa
White text reads best on this color (6.64:1).
About this color
#28608F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.096 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.019 away. White text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.16:1 |
| White text | 6.64:1 |
Values
| HEX | #28608F |
| RGB | rgb(40, 96, 143) |
| HSL | hsl(207, 56%, 36%) |
| OKLCH | oklch(47.5% 0.096 247) |
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 #28608F | 6.64:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #28608F | 3.16:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #28608F text on white | 6.64:1 | AA | Lc 82.6 | Fine for body text |
| #28608F text on black | 3.16:1 | AA large text | Lc -19.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
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
#7BA5CD
oklch(70.6% 0.075 247.7)
-
Step 500
500
#578FC0
oklch(63.2% 0.095 246.4)
-
Step 600
600
#3B78AC
oklch(55.6% 0.103 246.7)
-
Step 700
700 (this color)
#28608F
oklch(47.5% 0.096 247)
-
Step 800
800
#265278
oklch(42.6% 0.08 247.1)
-
Step 900
900
#244461
oklch(37.6% 0.063 247.6)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#28608F 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) | #4B6291 | 0.038 |
| Deuteranopia (no green cones) | #3C588E | 0.028 |
| Tritanopia (no blue cones) | #006B71 | 0.070 |
| Achromatopsia (no color) | #5C5C5C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28608F
#28608F
oklch(47.5% 0.096 247)
- #805013
#805013
oklch(47.5% 0.096 66.8)
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 #28608F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.019
- Denim #3B638C ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.023
- Peacock Blue #016795 ΔE 0.024
- Dusky Blue #475F94 ΔE 0.033
- Dusk Blue #26538D ΔE 0.039
- YInMn Blue #415A77 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.048
Use #28608F 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.