#281E48
Closest named color: Oxford Blue (#1B263B). oklch(27.1% 0.075 291.5), rgb(40, 30, 72).
Aa
White text reads best on this color (15.33:1).
About this color
#281E48 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.075 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.043 away. White text reads best on it, at 15.33:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.33:1 |
Values
| HEX | #281E48 |
| RGB | rgb(40, 30, 72) |
| HSL | hsl(254, 41%, 20%) |
| OKLCH | oklch(27.1% 0.075 291.5) |
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 #281E48 | 15.33:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #281E48 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #281E48 text on white | 15.33:1 | AAA | Lc 102.1 | Preferred for body text |
| #281E48 text on black | 1.36:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F8
oklch(88.5% 0.049 291.7)
-
Step 300
300
#C1B7F6
oklch(81% 0.088 291.6)
-
Step 400
400
#A28FF2
oklch(70.8% 0.142 291.1)
-
Step 500
500
#8E6FED
oklch(63.2% 0.182 291.7)
-
Step 600
600
#7953DB
oklch(55.6% 0.198 291.5)
-
Step 700
700
#6642BE
oklch(49% 0.184 291.5)
-
Step 800
800
#53389A
oklch(42.8% 0.152 291.3)
-
Step 900
900
#44317A
oklch(37.6% 0.119 291.6)
-
Step 950
950 (this color)
#281E48
oklch(27.1% 0.075 291.5)
#281E48 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) | #0C2649 | 0.044 |
| Deuteranopia (no green cones) | #0D2447 | 0.042 |
| Tritanopia (no blue cones) | #1F272F | 0.063 |
| Achromatopsia (no color) | #252525 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281E48
#281E48
oklch(27.1% 0.075 291.5)
- #282900
#282900
oklch(27.1% 0.06 111.2)
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 #281E48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.052
- Dark #1B2431 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.057
- Dark Purple #35063E ΔE 0.059
- Eggplant #380835 ΔE 0.065
- Deep Purple #36013F ΔE 0.067
- Marine #042E60 ΔE 0.068
Use #281E48 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.