#271F3B
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.052 295.8), rgb(39, 31, 59).
Aa
White text reads best on this color (15.60:1).
About this color
#271F3B is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #271F3B |
| RGB | rgb(39, 31, 59) |
| HSL | hsl(257, 31%, 18%) |
| OKLCH | oklch(26.3% 0.052 295.8) |
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 #271F3B | 15.60:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #271F3B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #271F3B text on white | 15.60:1 | AAA | Lc 102.5 | Preferred for body text |
| #271F3B text on black | 1.34:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C3B9E5
oklch(80.9% 0.062 295.4)
-
Step 400
400
#A694D7
oklch(70.7% 0.098 296.1)
-
Step 500
500
#9078CD
oklch(63.1% 0.127 295.5)
-
Step 600
600
#7B60B9
oklch(55.6% 0.135 295.7)
-
Step 700
700
#684EA0
oklch(49% 0.128 296)
-
Step 800
800
#554181
oklch(42.8% 0.104 296.1)
-
Step 900
900
#463768
oklch(37.7% 0.083 296.3)
-
Step 950
950 (this color)
#271F3B
oklch(26.3% 0.052 295.8)
#271F3B 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) | #17243C | 0.030 |
| Deuteranopia (no green cones) | #18233A | 0.028 |
| Tritanopia (no blue cones) | #23242A | 0.041 |
| Achromatopsia (no color) | #242424 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271F3B
#271F3B
oklch(26.3% 0.052 295.8)
- #242806
#242806
oklch(26.5% 0.052 115.8)
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 #271F3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Dark #1B2431 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.046
- Jet #212529 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.058
- Gunmetal #293241 ΔE 0.062
- Eggplant #380835 ΔE 0.063
- Dark Purple #35063E ΔE 0.064
Use #271F3B 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.