#28486E
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.075 253.8), rgb(40, 72, 110).
Aa
White text reads best on this color (9.36:1).
About this color
#28486E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 9.36:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #28486E |
| RGB | rgb(40, 72, 110) |
| HSL | hsl(213, 47%, 29%) |
| OKLCH | oklch(39.6% 0.075 253.8) |
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 #28486E | 9.36:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #28486E | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #28486E text on white | 9.36:1 | AAA | Lc 91.5 | Preferred for body text |
| #28486E text on black | 2.24:1 | Fails | Lc -10.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A8C3E5
oklch(80.9% 0.057 254.3)
-
Step 400
400
#79A4D8
oklch(70.8% 0.09 253.7)
-
Step 500
500
#558CCD
oklch(63.1% 0.115 253.6)
-
Step 600
600
#3975BA
oklch(55.6% 0.125 253.6)
-
Step 700
700
#2B62A1
oklch(49.1% 0.117 253.8)
-
Step 800
800
#255082
oklch(42.7% 0.096 253.9)
-
Step 900
900 (this color)
#28486E
oklch(39.6% 0.075 253.8)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#28486E 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) | #384A70 | 0.022 |
| Deuteranopia (no green cones) | #2F436D | 0.016 |
| Tritanopia (no blue cones) | #005156 | 0.063 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28486E
#28486E
oklch(39.6% 0.075 253.8)
- #5E400F
#5E400F
oklch(39.6% 0.075 74.8)
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 #28486E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Twilight Blue #0A437A ΔE 0.037
- Light Navy #155084 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.045
- Charcoal #264653 ΔE 0.046
- Cobalt #1E488F ΔE 0.056
- Dusk Blue #26538D ΔE 0.056
- Marine Blue #01386A ΔE 0.062
Use #28486E 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.