#271A40
Closest named color: Oxford Blue (#1B263B). oklch(25.6% 0.07 297), rgb(39, 26, 64).
Aa
White text reads best on this color (16.05:1).
About this color
#271A40 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.044 away. White text reads best on it, at 16.05:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.30:1 |
| White text | 16.05:1 |
Values
| HEX | #271A40 |
| RGB | rgb(39, 26, 64) |
| HSL | hsl(261, 42%, 18%) |
| OKLCH | oklch(25.6% 0.07 297) |
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 #271A40 | 16.05:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #271A40 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #271A40 text on white | 16.05:1 | AAA | Lc 102.9 | Preferred for body text |
| #271A40 text on black | 1.30:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F5
oklch(88.5% 0.047 297.5)
-
Step 300
300
#C6B6F0
oklch(80.9% 0.082 297.2)
-
Step 400
400
#AA8EE9
oklch(70.8% 0.132 297.1)
-
Step 500
500
#966FE2
oklch(63.2% 0.169 297)
-
Step 600
600
#8153CF
oklch(55.5% 0.184 297.1)
-
Step 700
700
#6D43B4
oklch(49.1% 0.171 296.7)
-
Step 800
800
#593891
oklch(42.7% 0.141 297.1)
-
Step 900
900
#493174
oklch(37.7% 0.111 297.3)
-
Step 950
950 (this color)
#271A40
oklch(25.6% 0.07 297)
#271A40 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) | #0B2141 | 0.046 |
| Deuteranopia (no green cones) | #0F213F | 0.043 |
| Tritanopia (no blue cones) | #21212A | 0.054 |
| Achromatopsia (no color) | #212121 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271A40
#271A40
oklch(25.6% 0.07 297)
- #212600
#212600
oklch(25.5% 0.059 117)
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 #271A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.044
- Dark Purple #35063E ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Eggplant #380835 ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.057
- Deep Purple #36013F ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.061
- Midnight Purple #280137 ΔE 0.061
Use #271A40 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.