#282051
Closest named color: Oxford Blue (#1B263B). oklch(28.2% 0.086 287), rgb(40, 32, 81).
Aa
White text reads best on this color (14.83:1).
About this color
#282051 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.086 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.052 away. White text reads best on it, at 14.83:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.83:1 |
Values
| HEX | #282051 |
| RGB | rgb(40, 32, 81) |
| HSL | hsl(250, 43%, 22%) |
| OKLCH | oklch(28.2% 0.086 287) |
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 #282051 | 14.83:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #282051 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #282051 text on white | 14.83:1 | AAA | Lc 101.5 | Preferred for body text |
| #282051 text on black | 1.41:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9B8EFF
oklch(70.7% 0.161 286.8)
-
Step 500
500
#866CFE
oklch(63.1% 0.208 287)
-
Step 600
600
#724EED
oklch(55.6% 0.226 287)
-
Step 700
700
#603DCF
oklch(49.2% 0.211 286.8)
-
Step 800
800
#4E34A7
oklch(42.7% 0.174 286.9)
-
Step 900
900
#402F84
oklch(37.6% 0.136 287.1)
-
Step 950
950 (this color)
#282051
oklch(28.2% 0.086 287)
#282051 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) | #052953 | 0.047 |
| Deuteranopia (no green cones) | #052650 | 0.046 |
| Tritanopia (no blue cones) | #1B2B35 | 0.072 |
| Achromatopsia (no color) | #282828 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282051
#282051
oklch(28.2% 0.086 287)
- #2D2B00
#2D2B00
oklch(28.2% 0.06 107)
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 #282051, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.056
- Marine #042E60 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.063
- Midnight Blue #191970 ΔE 0.064
- Dark #1B2431 ΔE 0.068
- Dark Purple #35063E ΔE 0.069
Use #282051 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.