#28245C
Closest named color: Marine (#042E60). oklch(30% 0.097 282), rgb(40, 36, 92).
Aa
White text reads best on this color (14.02:1).
About this color
#28245C is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.097 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.045 away. White text reads best on it, at 14.02:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.49:1 |
| White text | 14.02:1 |
Values
| HEX | #28245C |
| RGB | rgb(40, 36, 92) |
| HSL | hsl(244, 44%, 25%) |
| OKLCH | oklch(30% 0.097 282) |
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 #28245C | 14.02:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #28245C | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #28245C text on white | 14.02:1 | AAA | Lc 100.5 | Preferred for body text |
| #28245C text on black | 1.49:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9391FF
oklch(70.6% 0.158 282.4)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600
#6849FF
oklch(55.7% 0.253 282.2)
-
Step 700
700
#5737DF
oklch(49.1% 0.236 282)
-
Step 800
800
#4730B4
oklch(42.7% 0.195 282.3)
-
Step 900
900
#3A2D8E
oklch(37.6% 0.153 282.3)
-
Step 950
950 (this color)
#28245C
oklch(30% 0.097 282)
#28245C 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) | #002E5E | 0.047 |
| Deuteranopia (no green cones) | #002A5B | 0.045 |
| Tritanopia (no blue cones) | #12313C | 0.083 |
| Achromatopsia (no color) | #2C2C2C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28245C
#28245C
oklch(30% 0.097 282)
- #342E00
#342E00
oklch(29.8% 0.062 101.6)
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 #28245C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.045
- Midnight Blue #191970 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.059
- Marine Blue #01386A ΔE 0.065
- Oxford Blue #1B263B ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.066
- Gunmetal #293241 ΔE 0.072
Use #28245C 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.