#281E45
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.071 292.9), rgb(40, 30, 69).
Aa
White text reads best on this color (15.42:1).
About this color
#281E45 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.071 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 15.42:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.42:1 |
Values
| HEX | #281E45 |
| RGB | rgb(40, 30, 69) |
| HSL | hsl(255, 39%, 19%) |
| OKLCH | oklch(26.9% 0.071 292.9) |
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 #281E45 | 15.42:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #281E45 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #281E45 text on white | 15.42:1 | AAA | Lc 102.2 | Preferred for body text |
| #281E45 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C2B7F2
oklch(80.9% 0.083 293)
-
Step 400
400
#A48FEC
oklch(70.6% 0.134 293)
-
Step 500
500
#8F71E6
oklch(63.2% 0.17 292.7)
-
Step 600
600
#7B56D4
oklch(55.7% 0.185 292.9)
-
Step 700
700
#6845B8
oklch(49.2% 0.173 293)
-
Step 800
800
#543A95
oklch(42.8% 0.143 292.5)
-
Step 900
900
#453376
oklch(37.7% 0.11 292.7)
-
Step 950
950 (this color)
#281E45
oklch(26.9% 0.071 292.9)
#281E45 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) | #0F2546 | 0.041 |
| Deuteranopia (no green cones) | #112444 | 0.039 |
| Tritanopia (no blue cones) | #21262E | 0.057 |
| Achromatopsia (no color) | #252525 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281E45
#281E45
oklch(26.9% 0.071 292.9)
- #272900
#272900
oklch(27% 0.06 112.6)
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 #281E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.050
- Dark #1B2431 ΔE 0.052
- Dark Purple #35063E ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.060
- Eggplant #380835 ΔE 0.063
- Jet #212529 ΔE 0.064
- Deep Purple #36013F ΔE 0.067
Use #281E45 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.