#321E37
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.052 319.4), rgb(50, 30, 55).
Aa
White text reads best on this color (15.25:1).
About this color
#321E37 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.052 and its hue 319°. 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 15.25:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.25:1 |
Values
| HEX | #321E37 |
| RGB | rgb(50, 30, 55) |
| HSL | hsl(288, 29%, 17%) |
| OKLCH | oklch(27.2% 0.052 319.4) |
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 #321E37 | 15.25:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #321E37 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #321E37 text on white | 15.25:1 | AAA | Lc 102.1 | Preferred for body text |
| #321E37 text on black | 1.37:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E3D2E8
oklch(88.4% 0.035 318.5)
-
Step 300
300
#D3B4DA
oklch(80.9% 0.062 320)
-
Step 400
400
#BC8CC8
oklch(70.7% 0.1 319.5)
-
Step 500
500
#AA6FB9
oklch(63.1% 0.125 319.3)
-
Step 600
600
#9655A5
oklch(55.6% 0.138 319.9)
-
Step 700
700
#7F458E
oklch(49.1% 0.129 319.1)
-
Step 800
800
#683973
oklch(42.7% 0.107 319.8)
-
Step 900
900
#54325D
oklch(37.7% 0.082 319)
-
Step 950
950 (this color)
#321E37
oklch(27.2% 0.052 319.4)
#321E37 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) | #1B2438 | 0.045 |
| Deuteranopia (no green cones) | #202636 | 0.041 |
| Tritanopia (no blue cones) | #322127 | 0.034 |
| Achromatopsia (no color) | #252525 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #321E37
#321E37
oklch(27.2% 0.052 319.4)
- #192D13
#192D13
oklch(27.2% 0.052 138.8)
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 #321E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Jet #212529 ΔE 0.051
- Eggplant #380835 ΔE 0.052
- Aubergine #3D0734 ΔE 0.054
- Dark Purple #35063E ΔE 0.059
- Gunmetal #293241 ΔE 0.062
Use #321E37 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.