#2B233F
Closest named color: Oxford Blue (#1B263B). oklch(27.9% 0.051 296.1), rgb(43, 35, 63).
Aa
White text reads best on this color (14.84:1).
About this color
#2B233F is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.051 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 14.84:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #2B233F |
| RGB | rgb(43, 35, 63) |
| HSL | hsl(257, 29%, 19%) |
| OKLCH | oklch(27.9% 0.051 296.1) |
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 #2B233F | 14.84:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #2B233F | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #2B233F text on white | 14.84:1 | AAA | Lc 101.6 | Preferred for body text |
| #2B233F text on black | 1.41:1 | 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
#EBE8F5
oklch(93.7% 0.018 296.6)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C4B9E4
oklch(80.9% 0.061 296.7)
-
Step 400
400
#A694D7
oklch(70.7% 0.098 296.1)
-
Step 500
500
#9178CC
oklch(63.1% 0.125 296.3)
-
Step 600
600
#7B60B8
oklch(55.6% 0.134 295.9)
-
Step 700
700
#684F9F
oklch(49.2% 0.125 295.9)
-
Step 800
800
#554181
oklch(42.8% 0.104 296.1)
-
Step 900
900
#463767
oklch(37.6% 0.081 296.7)
-
Step 950
950 (this color)
#2B233F
oklch(27.9% 0.051 296.1)
#2B233F 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) | #1B2840 | 0.029 |
| Deuteranopia (no green cones) | #1D273E | 0.026 |
| Tritanopia (no blue cones) | #27282E | 0.041 |
| Achromatopsia (no color) | #272727 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B233F
#2B233F
oklch(27.9% 0.051 296.1)
- #272C0B
#272C0B
oklch(28% 0.052 117.2)
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 #2B233F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.032
- Dark #1B2431 ΔE 0.040
- Gunmetal #293241 ΔE 0.048
- Jet #212529 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.064
- Eggplant #380835 ΔE 0.069
- Dark Purple #35063E ΔE 0.071
Use #2B233F 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.