#271F55
Closest named color: Dark Indigo (#1F0954). oklch(28.3% 0.094 285.4), rgb(39, 31, 85).
Aa
White text reads best on this color (14.85:1).
About this color
#271F55 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.094 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.052 away. White text reads best on it, at 14.85:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.41:1 |
| White text | 14.85:1 |
Values
| HEX | #271F55 |
| RGB | rgb(39, 31, 85) |
| HSL | hsl(249, 47%, 23%) |
| OKLCH | oklch(28.3% 0.094 285.4) |
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 #271F55 | 14.85:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #271F55 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #271F55 text on white | 14.85:1 | AAA | Lc 101.5 | Preferred for body text |
| #271F55 text on black | 1.41:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E7FF
oklch(93.5% 0.032 285.8)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#998FFF
oklch(70.7% 0.16 285.6)
-
Step 500
500
#836DFF
oklch(63.1% 0.208 285.7)
-
Step 600
600
#7047FA
oklch(55.6% 0.248 285.6)
-
Step 700
700
#5E36DA
oklch(49.1% 0.231 285.3)
-
Step 800
800
#4C2FB0
oklch(42.7% 0.191 285.3)
-
Step 900
900
#3E2D8B
oklch(37.7% 0.148 285.1)
-
Step 950
950 (this color)
#271F55
oklch(28.3% 0.094 285.4)
#271F55 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) | #002957 | 0.049 |
| Deuteranopia (no green cones) | #002654 | 0.048 |
| Tritanopia (no blue cones) | #162B36 | 0.079 |
| Achromatopsia (no color) | #272727 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271F55
#271F55
oklch(28.3% 0.094 285.4)
- #2E2B00
#2E2B00
oklch(28.3% 0.06 105.5)
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 #271F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.052
- Marine #042E60 ΔE 0.055
- Midnight Blue #191970 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.065
- Dark Purple #35063E ΔE 0.072
- Dark #1B2431 ΔE 0.075
Use #271F55 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.