#28486B
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.071 252), rgb(40, 72, 107).
Aa
White text reads best on this color (9.41:1).
About this color
#28486B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.071 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 9.41:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.41:1 |
Values
| HEX | #28486B |
| RGB | rgb(40, 72, 107) |
| HSL | hsl(211, 46%, 29%) |
| OKLCH | oklch(39.4% 0.071 252) |
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 #28486B | 9.41:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #28486B | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #28486B text on white | 9.41:1 | AAA | Lc 91.6 | Preferred for body text |
| #28486B text on black | 2.22:1 | Fails | Lc -10.7 | 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
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A8C4E3
oklch(81% 0.053 251.1)
-
Step 400
400
#79A4D4
oklch(70.6% 0.085 251.8)
-
Step 500
500
#568DC9
oklch(63.1% 0.108 251.8)
-
Step 600
600
#3A76B6
oklch(55.6% 0.118 252)
-
Step 700
700
#2C639D
oklch(49.2% 0.11 252)
-
Step 800
800
#25517F
oklch(42.7% 0.091 251.6)
-
Step 900
900 (this color)
#28486B
oklch(39.4% 0.071 252)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#28486B 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) | #394A6D | 0.023 |
| Deuteranopia (no green cones) | #30436A | 0.017 |
| Tritanopia (no blue cones) | #005054 | 0.060 |
| Achromatopsia (no color) | #464646 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28486B
#28486B
oklch(39.4% 0.071 252)
- #5D3F15
#5D3F15
oklch(39.3% 0.07 71.9)
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 #28486B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Twilight Blue #0A437A ΔE 0.040
- Charcoal #264653 ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.059
- Dusk Blue #26538D ΔE 0.060
- Cobalt #1E488F ΔE 0.061
Use #28486B 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.