#271F47
Closest named color: Oxford Blue (#1B263B). oklch(27.1% 0.072 290), rgb(39, 31, 71).
Aa
White text reads best on this color (15.29:1).
About this color
#271F47 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.072 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.039 away. White text reads best on it, at 15.29:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.29:1 |
Values
| HEX | #271F47 |
| RGB | rgb(39, 31, 71) |
| HSL | hsl(252, 39%, 20%) |
| OKLCH | oklch(27.1% 0.072 290) |
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 #271F47 | 15.29:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #271F47 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #271F47 text on white | 15.29:1 | AAA | Lc 102.1 | Preferred for body text |
| #271F47 text on black | 1.37:1 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A090EF
oklch(70.6% 0.137 290.2)
-
Step 500
500
#8A72EA
oklch(63.1% 0.174 289.7)
-
Step 600
600
#7657D8
oklch(55.7% 0.189 289.9)
-
Step 700
700
#6346BB
oklch(49.1% 0.175 289.8)
-
Step 800
800
#513A97
oklch(42.7% 0.145 290.2)
-
Step 900
900
#423379
oklch(37.7% 0.115 289.6)
-
Step 950
950 (this color)
#271F47
oklch(27.1% 0.072 290)
#271F47 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) | #0F2648 | 0.039 |
| Deuteranopia (no green cones) | #0F2446 | 0.038 |
| Tritanopia (no blue cones) | #1E272F | 0.060 |
| Achromatopsia (no color) | #252525 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271F47
#271F47
oklch(27.1% 0.072 290)
- #292900
#292900
oklch(27.2% 0.059 109.8)
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 #271F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.049
- Dark #1B2431 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Gunmetal #293241 ΔE 0.065
- Jet #212529 ΔE 0.066
- Marine #042E60 ΔE 0.066
Use #271F47 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.