#271B3D
Closest named color: Oxford Blue (#1B263B). oklch(25.6% 0.063 298.1), rgb(39, 27, 61).
Aa
White text reads best on this color (16.02:1).
About this color
#271B3D is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.063 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 16.02:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #271B3D |
| RGB | rgb(39, 27, 61) |
| HSL | hsl(261, 39%, 17%) |
| OKLCH | oklch(25.6% 0.063 298.1) |
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 #271B3D | 16.02:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #271B3D | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #271B3D text on white | 16.02:1 | AAA | Lc 102.9 | Preferred for body text |
| #271B3D text on black | 1.31:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C6B7EB
oklch(80.9% 0.074 297.9)
-
Step 400
400
#AA90E1
oklch(70.8% 0.119 298.1)
-
Step 500
500
#9672D9
oklch(63.2% 0.153 298)
-
Step 600
600
#8158C6
oklch(55.7% 0.165 298)
-
Step 700
700
#6D47AB
oklch(49.1% 0.154 298)
-
Step 800
800
#593B8B
oklch(42.8% 0.128 298.1)
-
Step 900
900
#49336F
oklch(37.7% 0.101 298.4)
-
Step 950
950 (this color)
#271B3D
oklch(25.6% 0.063 298.1)
#271B3D 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) | #10213E | 0.040 |
| Deuteranopia (no green cones) | #12213C | 0.038 |
| Tritanopia (no blue cones) | #222129 | 0.048 |
| Achromatopsia (no color) | #212121 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271B3D
#271B3D
oklch(25.6% 0.063 298.1)
- #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 #271B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Dark #1B2431 ΔE 0.046
- Dark Purple #35063E ΔE 0.053
- Eggplant #380835 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.058
- Jet #212529 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.060
- Deep Purple #36013F ΔE 0.062
Use #271B3D 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.