#271F43
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.065 291.6), rgb(39, 31, 67).
Aa
White text reads best on this color (15.40:1).
About this color
#271F43 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.065 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.035 away. White text reads best on it, at 15.40:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.40:1 |
Values
| HEX | #271F43 |
| RGB | rgb(39, 31, 67) |
| HSL | hsl(253, 37%, 19%) |
| OKLCH | oklch(26.9% 0.065 291.6) |
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 #271F43 | 15.40:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #271F43 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #271F43 text on white | 15.40:1 | AAA | Lc 102.2 | Preferred for body text |
| #271F43 text on black | 1.36:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F8
oklch(93.7% 0.022 291.7)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A292E7
oklch(70.8% 0.123 291.6)
-
Step 500
500
#8C74E0
oklch(63% 0.158 291.4)
-
Step 600
600
#785ACE
oklch(55.7% 0.172 291.8)
-
Step 700
700
#6549B2
oklch(49.1% 0.16 291.7)
-
Step 800
800
#523D90
oklch(42.7% 0.132 291.5)
-
Step 900
900
#443573
oklch(37.8% 0.103 291.9)
-
Step 950
950 (this color)
#271F43
oklch(26.9% 0.065 291.6)
#271F43 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) | #122544 | 0.035 |
| Deuteranopia (no green cones) | #132442 | 0.034 |
| Tritanopia (no blue cones) | #20262D | 0.054 |
| Achromatopsia (no color) | #252525 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271F43
#271F43
oklch(26.9% 0.065 291.6)
- #272800
#272800
oklch(26.7% 0.059 111.2)
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 #271F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.035
- Dark #1B2431 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.047
- Jet #212529 ΔE 0.059
- Dark Purple #35063E ΔE 0.062
- Gunmetal #293241 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.064
- Eggplant #380835 ΔE 0.065
Use #271F43 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.