#271B31
Closest named color: Dark (#1B2431). oklch(24.8% 0.044 308.5), rgb(39, 27, 49).
Aa
White text reads best on this color (16.31:1).
About this color
#271B31 is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.044 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.035 away. White text reads best on it, at 16.31:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #271B31 |
| RGB | rgb(39, 27, 49) |
| HSL | hsl(273, 29%, 15%) |
| OKLCH | oklch(24.8% 0.044 308.5) |
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 #271B31 | 16.31:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #271B31 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #271B31 text on white | 16.31:1 | AAA | Lc 103.2 | Preferred for body text |
| #271B31 text on black | 1.28:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DED4E8
oklch(88.4% 0.029 308.1)
-
Step 300
300
#CAB8DB
oklch(80.9% 0.052 308.3)
-
Step 400
400
#AF93C8
oklch(70.7% 0.082 308.4)
-
Step 500
500
#9C77BA
oklch(63.1% 0.106 308.9)
-
Step 600
600
#875FA6
oklch(55.6% 0.115 309)
-
Step 700
700
#724E8F
oklch(49.1% 0.108 308.4)
-
Step 800
800
#5D4074
oklch(42.7% 0.09 308.7)
-
Step 900
900
#4C375E
oklch(37.7% 0.069 308.1)
-
Step 950
950 (this color)
#271B31
oklch(24.8% 0.044 308.5)
#271B31 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) | #171F32 | 0.031 |
| Deuteranopia (no green cones) | #192030 | 0.030 |
| Tritanopia (no blue cones) | #261E23 | 0.032 |
| Achromatopsia (no color) | #202020 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271B31
#271B31
oklch(24.8% 0.044 308.5)
- #1B250D
#1B250D
oklch(24.8% 0.044 127.9)
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 #271B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.040
- Jet #212529 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.049
- Eggplant #380835 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.061
- Dark Purple #35063E ΔE 0.063
- Aubergine #3D0734 ΔE 0.064
Use #271B31 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.