#242548
Closest named color: Oxford Blue (#1B263B). oklch(28.3% 0.063 280.3), rgb(36, 37, 72).
Aa
White text reads best on this color (14.65:1).
About this color
#242548 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 14.65:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.65:1 |
Values
| HEX | #242548 |
| RGB | rgb(36, 37, 72) |
| HSL | hsl(238, 33%, 21%) |
| OKLCH | oklch(28.3% 0.063 280.3) |
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 #242548 | 14.65:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #242548 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #242548 text on white | 14.65:1 | AAA | Lc 101.4 | Preferred for body text |
| #242548 text on black | 1.43:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F9
oklch(93.7% 0.022 280.3)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B7BCF1
oklch(81% 0.075 280.4)
-
Step 400
400
#9397EA
oklch(70.7% 0.121 280.7)
-
Step 500
500
#7A7BE3
oklch(63% 0.154 280.6)
-
Step 600
600
#6462D1
oklch(55.6% 0.167 280.3)
-
Step 700
700
#5350B5
oklch(49% 0.155 280.3)
-
Step 800
800
#444293
oklch(42.6% 0.13 280.5)
-
Step 900
900
#393975
oklch(37.7% 0.1 280.5)
-
Step 950
950 (this color)
#242548
oklch(28.3% 0.063 280.3)
#242548 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) | #182A49 | 0.022 |
| Deuteranopia (no green cones) | #152747 | 0.022 |
| Tritanopia (no blue cones) | #182C33 | 0.054 |
| Achromatopsia (no color) | #282828 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242548
#242548
oklch(28.3% 0.063 280.3)
- #302A00
#302A00
oklch(28.3% 0.059 101)
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 #242548, 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 0.034
- Dark #1B2431 ΔE 0.047
- Gunmetal #293241 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.052
- Marine #042E60 ΔE 0.054
- Jet #212529 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.070
Use #242548 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.