#2B243C
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.044 296.9), rgb(43, 36, 60).
Aa
White text reads best on this color (14.78:1).
About this color
#2B243C is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.044 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.78:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #2B243C |
| RGB | rgb(43, 36, 60) |
| HSL | hsl(258, 25%, 19%) |
| OKLCH | oklch(28% 0.044 296.9) |
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 #2B243C | 14.78:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #2B243C | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #2B243C text on white | 14.78:1 | AAA | Lc 101.6 | Preferred for body text |
| #2B243C text on black | 1.42:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD6EB
oklch(88.6% 0.029 296.7)
-
Step 300
300
#C4BADF
oklch(80.9% 0.053 297.6)
-
Step 400
400
#A696CF
oklch(70.8% 0.084 297.1)
-
Step 500
500
#907BC2
oklch(63.1% 0.107 296.8)
-
Step 600
600
#7B63AF
oklch(55.6% 0.117 297)
-
Step 700
700
#685296
oklch(49.2% 0.108 297.2)
-
Step 800
800
#54437A
oklch(42.6% 0.09 296.6)
-
Step 900
900
#453962
oklch(37.6% 0.07 296.4)
-
Step 950
950 (this color)
#2B243C
oklch(28% 0.044 296.9)
#2B243C 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) | #1E283D | 0.024 |
| Deuteranopia (no green cones) | #1F283B | 0.024 |
| Tritanopia (no blue cones) | #28282D | 0.035 |
| Achromatopsia (no color) | #282828 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B243C
#2B243C
oklch(28% 0.044 296.9)
- #272C11
#272C11
oklch(28.1% 0.045 118)
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 #2B243C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.029
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.042
- Gunmetal #293241 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.070
- Eggplant #380835 ΔE 0.072
Use #2B243C 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.