#2B1C3E
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.064 302.6), rgb(43, 28, 62).
Aa
White text reads best on this color (15.69:1).
About this color
#2B1C3E is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.064 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.042 away. White text reads best on it, at 15.69:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.69:1 |
Values
| HEX | #2B1C3E |
| RGB | rgb(43, 28, 62) |
| HSL | hsl(266, 38%, 18%) |
| OKLCH | oklch(26.3% 0.064 302.6) |
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 #2B1C3E | 15.69:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #2B1C3E | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #2B1C3E text on white | 15.69:1 | AAA | Lc 102.5 | Preferred for body text |
| #2B1C3E text on black | 1.33:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5EA
oklch(80.9% 0.077 302.8)
-
Step 400
400
#AF8DDF
oklch(70.6% 0.122 302.5)
-
Step 500
500
#9C6FD5
oklch(63.1% 0.154 302.6)
-
Step 600
600
#8755C3
oklch(55.6% 0.167 302.2)
-
Step 700
700
#7344A8
oklch(49.1% 0.156 302.7)
-
Step 800
800
#5E3988
oklch(42.8% 0.129 303)
-
Step 900
900
#4C326D
oklch(37.7% 0.1 302.2)
-
Step 950
950 (this color)
#2B1C3E
oklch(26.3% 0.064 302.6)
#2B1C3E 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) | #12233F | 0.045 |
| Deuteranopia (no green cones) | #16233D | 0.041 |
| Tritanopia (no blue cones) | #28222A | 0.047 |
| Achromatopsia (no color) | #232323 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1C3E
#2B1C3E
oklch(26.3% 0.064 302.6)
- #1F2900
#1F2900
oklch(26.2% 0.064 122.6)
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 #2B1C3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.049
- Dark Purple #35063E ΔE 0.052
- Eggplant #380835 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Aubergine #3D0734 ΔE 0.058
- Jet #212529 ΔE 0.059
- Deep Purple #36013F ΔE 0.061
Use #2B1C3E 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.