#28486D
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.074 253.2), rgb(40, 72, 109).
Aa
White text reads best on this color (9.38:1).
About this color
#28486D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #28486D |
| RGB | rgb(40, 72, 109) |
| HSL | hsl(212, 46%, 29%) |
| OKLCH | oklch(39.5% 0.074 253.2) |
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 #28486D | 9.38:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #28486D | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #28486D text on white | 9.38:1 | AAA | Lc 91.5 | Preferred for body text |
| #28486D text on black | 2.23:1 | Fails | Lc -10.8 | 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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C3E4
oklch(80.8% 0.055 253.6)
-
Step 400
400
#79A4D7
oklch(70.7% 0.089 253.2)
-
Step 500
500
#558CCC
oklch(63% 0.113 253.3)
-
Step 600
600
#3975B9
oklch(55.5% 0.123 253.3)
-
Step 700
700
#2B629F
oklch(49% 0.114 253.2)
-
Step 800
800
#255081
oklch(42.6% 0.095 253.5)
-
Step 900
900 (this color)
#28486D
oklch(39.5% 0.074 253.2)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#28486D 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) | #384A6F | 0.022 |
| Deuteranopia (no green cones) | #2F436C | 0.016 |
| Tritanopia (no blue cones) | #005055 | 0.061 |
| Achromatopsia (no color) | #464646 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28486D
#28486D
oklch(39.5% 0.074 253.2)
- #5E3F11
#5E3F11
oklch(39.4% 0.074 72.6)
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 #28486D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Twilight Blue #0A437A ΔE 0.038
- Light Navy #155084 ΔE 0.041
- Charcoal #264653 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.046
- Dusk Blue #26538D ΔE 0.057
- Cobalt #1E488F ΔE 0.058
- Marine Blue #01386A ΔE 0.063
Use #28486D 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.