#301F42
Closest named color: Space Cadet (#2B2D42). oklch(27.8% 0.065 304.9), rgb(48, 31, 66).
Aa
White text reads best on this color (14.99:1).
About this color
#301F42 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.065 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 14.99:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.40:1 |
| White text | 14.99:1 |
Values
| HEX | #301F42 |
| RGB | rgb(48, 31, 66) |
| HSL | hsl(269, 36%, 19%) |
| OKLCH | oklch(27.8% 0.065 304.9) |
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 #301F42 | 14.99:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #301F42 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #301F42 text on white | 14.99:1 | AAA | Lc 101.8 | Preferred for body text |
| #301F42 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#DFD3F1
oklch(88.6% 0.043 303.7)
-
Step 300
300
#CCB4E9
oklch(80.8% 0.078 305.3)
-
Step 400
400
#B38CDE
oklch(70.7% 0.123 305.3)
-
Step 500
500
#A06DD5
oklch(63.1% 0.158 305)
-
Step 600
600
#8B52C2
oklch(55.5% 0.172 304.9)
-
Step 700
700
#7642A8
oklch(49.1% 0.16 304.7)
-
Step 800
800
#603788
oklch(42.7% 0.132 304.8)
-
Step 900
900
#4F306D
oklch(37.7% 0.105 305.4)
-
Step 950
950 (this color)
#301F42
oklch(27.8% 0.065 304.9)
#301F42 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) | #162643 | 0.047 |
| Deuteranopia (no green cones) | #1A2741 | 0.044 |
| Tritanopia (no blue cones) | #2D252D | 0.049 |
| Achromatopsia (no color) | #272727 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #301F42
#301F42
oklch(27.8% 0.065 304.9)
- #212E03
#212E03
oklch(27.9% 0.066 125.3)
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 #301F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.045
- Dark #1B2431 ΔE 0.055
- Dark Purple #35063E ΔE 0.056
- Eggplant #380835 ΔE 0.056
- Aubergine #3D0734 ΔE 0.060
- Gunmetal #293241 ΔE 0.061
- Jet #212529 ΔE 0.063
Use #301F42 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.