#2B1F4D
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.082 292.4), rgb(43, 31, 77).
Aa
White text reads best on this color (14.93:1).
About this color
#2B1F4D is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.082 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 0.051 away. White text reads best on it, at 14.93:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #2B1F4D |
| RGB | rgb(43, 31, 77) |
| HSL | hsl(256, 43%, 21%) |
| OKLCH | oklch(28% 0.082 292.4) |
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 #2B1F4D | 14.93:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #2B1F4D | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #2B1F4D text on white | 14.93:1 | AAA | Lc 101.6 | Preferred for body text |
| #2B1F4D text on black | 1.40:1 | 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
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FA
oklch(88.4% 0.054 292.3)
-
Step 300
300
#C2B5FA
oklch(80.8% 0.097 292.7)
-
Step 400
400
#A48CF8
oklch(70.7% 0.155 292.2)
-
Step 500
500
#906BF4
oklch(63.1% 0.197 292.3)
-
Step 600
600
#7C4DE3
oklch(55.6% 0.215 292.4)
-
Step 700
700
#693DC5
oklch(49.2% 0.199 292.3)
-
Step 800
800
#55339F
oklch(42.6% 0.165 292.4)
-
Step 900
900
#462F7E
oklch(37.7% 0.128 292.6)
-
Step 950
950 (this color)
#2B1F4D
oklch(28% 0.082 292.4)
#2B1F4D 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) | #0A284F | 0.050 |
| Deuteranopia (no green cones) | #0C264C | 0.047 |
| Tritanopia (no blue cones) | #222932 | 0.067 |
| Achromatopsia (no color) | #272727 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1F4D
#2B1F4D
oklch(28% 0.082 292.4)
- #2A2C00
#2A2C00
oklch(28.2% 0.063 112.4)
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 #2B1F4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.059
- Dark Purple #35063E ΔE 0.062
- Marine #042E60 ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.067
- Gunmetal #293241 ΔE 0.068
Use #2B1F4D 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.