#271F48
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.074 289.6), rgb(39, 31, 72).
Aa
White text reads best on this color (15.26:1).
About this color
#271F48 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.074 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.041 away. White text reads best on it, at 15.26:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.26:1 |
Values
| HEX | #271F48 |
| RGB | rgb(39, 31, 72) |
| HSL | hsl(252, 40%, 20%) |
| OKLCH | oklch(27.2% 0.074 289.6) |
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 #271F48 | 15.26:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #271F48 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #271F48 text on white | 15.26:1 | AAA | Lc 102.0 | Preferred for body text |
| #271F48 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
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB8F6
oklch(81% 0.087 289.5)
-
Step 400
400
#9F90F1
oklch(70.6% 0.139 289.4)
-
Step 500
500
#8A71EC
oklch(63.1% 0.178 289.7)
-
Step 600
600
#7556DA
oklch(55.6% 0.193 289.4)
-
Step 700
700
#6345BD
oklch(49.1% 0.179 289.6)
-
Step 800
800
#503A99
oklch(42.7% 0.148 289.2)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950 (this color)
#271F48
oklch(27.2% 0.074 289.6)
#271F48 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) | #0E2649 | 0.040 |
| Deuteranopia (no green cones) | #0E2447 | 0.039 |
| Tritanopia (no blue cones) | #1E2730 | 0.059 |
| Achromatopsia (no color) | #252525 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271F48
#271F48
oklch(27.2% 0.074 289.6)
- #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 #271F48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.049
- Dark #1B2431 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.059
- Dark Purple #35063E ΔE 0.063
- Marine #042E60 ΔE 0.065
- Gunmetal #293241 ΔE 0.066
- Jet #212529 ΔE 0.067
Use #271F48 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.