#271E4B
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.08 289.2), rgb(39, 30, 75).
Aa
White text reads best on this color (15.28:1).
About this color
#271E4B is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.080 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.046 away. White text reads best on it, at 15.28:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.28:1 |
Values
| HEX | #271E4B |
| RGB | rgb(39, 30, 75) |
| HSL | hsl(252, 43%, 21%) |
| OKLCH | oklch(27.2% 0.08 289.2) |
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 #271E4B | 15.28:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #271E4B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #271E4B text on white | 15.28:1 | AAA | Lc 102.0 | Preferred for body text |
| #271E4B text on black | 1.37:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BEB7FA
oklch(80.9% 0.094 288.9)
-
Step 400
400
#9F8EF8
oklch(70.6% 0.152 289.3)
-
Step 500
500
#8A6EF5
oklch(63.2% 0.194 289.2)
-
Step 600
600
#7651E4
oklch(55.7% 0.211 289.3)
-
Step 700
700
#6340C6
oklch(49.1% 0.197 289.1)
-
Step 800
800
#5136A0
oklch(42.7% 0.163 289.4)
-
Step 900
900
#42317F
oklch(37.8% 0.126 288.9)
-
Step 950
950 (this color)
#271E4B
oklch(27.2% 0.08 289.2)
#271E4B 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) | #08264D | 0.045 |
| Deuteranopia (no green cones) | #09244A | 0.043 |
| Tritanopia (no blue cones) | #1C2831 | 0.067 |
| Achromatopsia (no color) | #252525 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271E4B
#271E4B
oklch(27.2% 0.08 289.2)
- #292900
#292900
oklch(27.2% 0.059 109.8)
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 #271E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.046
- Dark Indigo #1F0954 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.054
- Dark #1B2431 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Marine #042E60 ΔE 0.064
- Eggplant #380835 ΔE 0.069
- Deep Purple #36013F ΔE 0.069
Use #271E4B 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.