#242543
Closest named color: Oxford Blue (#1B263B). oklch(27.9% 0.055 280.8), rgb(36, 37, 67).
Aa
White text reads best on this color (14.78:1).
About this color
#242543 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.055 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.78:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #242543 |
| RGB | rgb(36, 37, 67) |
| HSL | hsl(238, 30%, 20%) |
| OKLCH | oklch(27.9% 0.055 280.8) |
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 #242543 | 14.78:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #242543 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #242543 text on white | 14.78:1 | AAA | Lc 101.6 | Preferred for body text |
| #242543 text on black | 1.42:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B8BCEA
oklch(80.8% 0.065 280.9)
-
Step 400
400
#9599E0
oklch(70.7% 0.103 280.9)
-
Step 500
500
#7C7ED7
oklch(63.1% 0.132 280.9)
-
Step 600
600
#6666C5
oklch(55.7% 0.144 280.7)
-
Step 700
700
#5554AA
oklch(49.1% 0.134 280.8)
-
Step 800
800
#45458A
oklch(42.7% 0.112 280.6)
-
Step 900
900
#3A3B6E
oklch(37.8% 0.086 280.6)
-
Step 950
950 (this color)
#242543
oklch(27.9% 0.055 280.8)
#242543 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) | #1B2944 | 0.017 |
| Deuteranopia (no green cones) | #192742 | 0.018 |
| Tritanopia (no blue cones) | #1B2B30 | 0.048 |
| Achromatopsia (no color) | #282828 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242543
#242543
oklch(27.9% 0.055 280.8)
- #2F2903
#2F2903
oklch(27.9% 0.055 100.1)
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 #242543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.031
- Dark #1B2431 ΔE 0.038
- Gunmetal #293241 ΔE 0.046
- Jet #212529 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.056
- Marine #042E60 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.068
Use #242543 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.