#28486C
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.072 252.6), rgb(40, 72, 108).
Aa
White text reads best on this color (9.40:1).
About this color
#28486C is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.072 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #28486C |
| RGB | rgb(40, 72, 108) |
| HSL | hsl(212, 46%, 29%) |
| OKLCH | oklch(39.5% 0.072 252.6) |
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 #28486C | 9.40:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #28486C | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #28486C text on white | 9.40:1 | AAA | Lc 91.6 | Preferred for body text |
| #28486C 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C3E3
oklch(80.8% 0.054 252.8)
-
Step 400
400
#79A4D6
oklch(70.7% 0.087 252.7)
-
Step 500
500
#568DCB
oklch(63.2% 0.111 252.5)
-
Step 600
600
#3A76B7
oklch(55.7% 0.119 252.4)
-
Step 700
700
#2C639E
oklch(49.2% 0.111 252.4)
-
Step 800
800
#255180
oklch(42.8% 0.092 252.1)
-
Step 900
900 (this color)
#28486C
oklch(39.5% 0.072 252.6)
-
Step 950
950
#15273C
oklch(26.8% 0.046 253.2)
#28486C 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) | #394A6E | 0.023 |
| Deuteranopia (no green cones) | #30436B | 0.017 |
| Tritanopia (no blue cones) | #005055 | 0.060 |
| Achromatopsia (no color) | #464646 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28486C
#28486C
oklch(39.5% 0.072 252.6)
- #5E3F13
#5E3F13
oklch(39.4% 0.072 71.8)
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 #28486C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Twilight Blue #0A437A ΔE 0.039
- Light Navy #155084 ΔE 0.043
- Charcoal #264653 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.047
- Dusk Blue #26538D ΔE 0.059
- Cobalt #1E488F ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #28486C 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.