#2B233B
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.045 298.8), rgb(43, 35, 59).
Aa
White text reads best on this color (14.93:1).
About this color
#2B233B is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.045 and its hue 299°. 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 14.93:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #2B233B |
| RGB | rgb(43, 35, 59) |
| HSL | hsl(260, 26%, 18%) |
| OKLCH | oklch(27.7% 0.045 298.8) |
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 #2B233B | 14.93:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #2B233B | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #2B233B text on white | 14.93:1 | AAA | Lc 101.8 | Preferred for body text |
| #2B233B 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EA
oklch(88.4% 0.029 298.8)
-
Step 300
300
#C5BADF
oklch(81% 0.053 298.8)
-
Step 400
400
#A795CE
oklch(70.6% 0.084 298.7)
-
Step 500
500
#927AC2
oklch(63% 0.109 298.6)
-
Step 600
600
#7D62AE
oklch(55.6% 0.118 298.9)
-
Step 700
700
#695196
oklch(49.1% 0.11 298.3)
-
Step 800
800
#564379
oklch(42.8% 0.089 298.8)
-
Step 900
900
#473962
oklch(37.8% 0.07 298.7)
-
Step 950
950 (this color)
#2B233B
oklch(27.7% 0.045 298.8)
#2B233B 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) | #1D273C | 0.026 |
| Deuteranopia (no green cones) | #1F273A | 0.024 |
| Tritanopia (no blue cones) | #28272C | 0.035 |
| Achromatopsia (no color) | #272727 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B233B
#2B233B
oklch(27.7% 0.045 298.8)
- #262B10
#262B10
oklch(27.7% 0.045 118.1)
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 #2B233B, 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 0.032
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.068
- Eggplant #380835 ΔE 0.069
Use #2B233B 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.