#2B1A3C
Closest named color: Oxford Blue (#1B263B). oklch(25.8% 0.065 305.4), rgb(43, 26, 60).
Aa
White text reads best on this color (15.96:1).
About this color
#2B1A3C is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.065 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.046 away. White text reads best on it, at 15.96:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 15.96:1 |
Values
| HEX | #2B1A3C |
| RGB | rgb(43, 26, 60) |
| HSL | hsl(270, 40%, 17%) |
| OKLCH | oklch(25.8% 0.065 305.4) |
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 #2B1A3C | 15.96:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #2B1A3C | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #2B1A3C text on white | 15.96:1 | AAA | Lc 102.8 | Preferred for body text |
| #2B1A3C text on black | 1.31:1 | 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
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D3F0
oklch(88.6% 0.042 305.8)
-
Step 300
300
#CCB5E9
oklch(81% 0.076 304.9)
-
Step 400
400
#B38CDD
oklch(70.7% 0.122 305.6)
-
Step 500
500
#A06DD4
oklch(63.1% 0.156 305.2)
-
Step 600
600
#8C52C1
oklch(55.6% 0.171 305.7)
-
Step 700
700
#7742A7
oklch(49.2% 0.159 305.5)
-
Step 800
800
#603787
oklch(42.6% 0.131 305.1)
-
Step 900
900
#4F316C
oklch(37.8% 0.101 305.6)
-
Step 950
950 (this color)
#2B1A3C
oklch(25.8% 0.065 305.4)
#2B1A3C 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) | #10213D | 0.049 |
| Deuteranopia (no green cones) | #15223B | 0.044 |
| Tritanopia (no blue cones) | #282028 | 0.047 |
| Achromatopsia (no color) | #222222 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1A3C
#2B1A3C
oklch(25.8% 0.065 305.4)
- #1C2800
#1C2800
oklch(25.6% 0.064 125)
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 #2B1A3C, 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 Purple #35063E ΔE 0.047
- Eggplant #380835 ΔE 0.047
- Dark #1B2431 ΔE 0.050
- Aubergine #3D0734 ΔE 0.054
- Deep Purple #36013F ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.059
- Jet #212529 ΔE 0.060
Use #2B1A3C 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.