#301C3B
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.061 312.6), rgb(48, 28, 59).
Aa
White text reads best on this color (15.49:1).
About this color
#301C3B is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.061 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.047 away. White text reads best on it, at 15.49:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.49:1 |
Values
| HEX | #301C3B |
| RGB | rgb(48, 28, 59) |
| HSL | hsl(279, 36%, 17%) |
| OKLCH | oklch(26.8% 0.061 312.6) |
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 #301C3B | 15.49:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #301C3B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #301C3B text on white | 15.49:1 | AAA | Lc 102.3 | Preferred for body text |
| #301C3B text on black | 1.35:1 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E2D2ED
oklch(88.5% 0.04 311.7)
-
Step 300
300
#D1B4E3
oklch(81% 0.072 312.4)
-
Step 400
400
#B98BD4
oklch(70.7% 0.115 312.4)
-
Step 500
500
#A86CC9
oklch(63.2% 0.148 312.6)
-
Step 600
600
#9351B5
oklch(55.5% 0.161 312.8)
-
Step 700
700
#7D419C
oklch(49% 0.15 312.6)
-
Step 800
800
#66367F
oklch(42.7% 0.125 312.6)
-
Step 900
900
#533066
oklch(37.7% 0.097 312.5)
-
Step 950
950 (this color)
#301C3B
oklch(26.8% 0.061 312.6)
#301C3B 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) | #16233C | 0.049 |
| Deuteranopia (no green cones) | #1B253A | 0.046 |
| Tritanopia (no blue cones) | #2F2128 | 0.043 |
| Achromatopsia (no color) | #242424 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301C3B
#301C3B
oklch(26.8% 0.061 312.6)
- #1A2C09
#1A2C09
oklch(26.8% 0.061 132.4)
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 #301C3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.047
- Eggplant #380835 ΔE 0.047
- Dark Purple #35063E ΔE 0.050
- Aubergine #3D0734 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.052
- Jet #212529 ΔE 0.058
- Deep Purple #36013F ΔE 0.059
Use #301C3B 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.