#281A48
Closest named color: Dark Indigo (#1F0954). oklch(26.3% 0.082 294), rgb(40, 26, 72).
Aa
White text reads best on this color (15.77:1).
About this color
#281A48 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.082 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.048 away. White text reads best on it, at 15.77:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #281A48 |
| RGB | rgb(40, 26, 72) |
| HSL | hsl(258, 47%, 19%) |
| OKLCH | oklch(26.3% 0.082 294) |
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 #281A48 | 15.77:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #281A48 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #281A48 text on white | 15.77:1 | AAA | Lc 102.5 | Preferred for body text |
| #281A48 text on black | 1.33:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3FA
oklch(88.5% 0.054 293.5)
-
Step 300
300
#C4B5FA
oklch(81% 0.097 294.1)
-
Step 400
400
#A78BF7
oklch(70.7% 0.155 294)
-
Step 500
500
#9369F4
oklch(63.1% 0.2 293.8)
-
Step 600
600
#7F4BE2
oklch(55.6% 0.216 294)
-
Step 700
700
#6C3AC5
oklch(49.1% 0.203 294.1)
-
Step 800
800
#58329F
oklch(42.8% 0.167 294.2)
-
Step 900
900
#482E7E
oklch(37.8% 0.129 294.3)
-
Step 950
950 (this color)
#281A48
oklch(26.3% 0.082 294)
#281A48 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) | #03234A | 0.054 |
| Deuteranopia (no green cones) | #062247 | 0.052 |
| Tritanopia (no blue cones) | #20242E | 0.065 |
| Achromatopsia (no color) | #232323 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281A48
#281A48
oklch(26.3% 0.082 294)
- #252800
#252800
oklch(26.5% 0.06 114)
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 #281A48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.048
- Dark Purple #35063E ΔE 0.051
- Oxford Blue #1B263B ΔE 0.052
- Deep Purple #36013F ΔE 0.059
- Eggplant #380835 ΔE 0.060
- Dark #1B2431 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.063
- Midnight Purple #280137 ΔE 0.065
Use #281A48 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.