#271C4A
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.082 290.8), rgb(39, 28, 74).
Aa
White text reads best on this color (15.54:1).
About this color
#271C4A is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.082 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.049 away. White text reads best on it, at 15.54:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.54:1 |
Values
| HEX | #271C4A |
| RGB | rgb(39, 28, 74) |
| HSL | hsl(254, 45%, 20%) |
| OKLCH | oklch(26.8% 0.082 290.8) |
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 #271C4A | 15.54:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #271C4A | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #271C4A text on white | 15.54:1 | AAA | Lc 102.3 | Preferred for body text |
| #271C4A text on black | 1.35:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#C0B6FB
oklch(80.9% 0.097 290.7)
-
Step 400
400
#A28DF9
oklch(70.8% 0.155 290.8)
-
Step 500
500
#8D6BF6
oklch(63% 0.199 290.8)
-
Step 600
600
#794EE5
oklch(55.6% 0.216 290.7)
-
Step 700
700
#663DC7
oklch(49% 0.201 290.7)
-
Step 800
800
#5334A1
oklch(42.7% 0.167 290.7)
-
Step 900
900
#442F80
oklch(37.7% 0.13 290.7)
-
Step 950
950 (this color)
#271C4A
oklch(26.8% 0.082 290.8)
#271C4A 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) | #04254C | 0.050 |
| Deuteranopia (no green cones) | #062349 | 0.048 |
| Tritanopia (no blue cones) | #1D262F | 0.068 |
| Achromatopsia (no color) | #242424 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271C4A
#271C4A
oklch(26.8% 0.082 290.8)
- #272800
#272800
oklch(26.7% 0.059 111.2)
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 #271C4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.049
- Dark Indigo #1F0954 ΔE 0.050
- Dark Purple #35063E ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.059
- Dark #1B2431 ΔE 0.061
- Deep Purple #36013F ΔE 0.065
- Eggplant #380835 ΔE 0.065
- Marine #042E60 ΔE 0.069
Use #271C4A 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.