#24233B
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.044 284.9), rgb(36, 35, 59).
Aa
White text reads best on this color (15.23:1).
About this color
#24233B is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.044 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.017 away. White text reads best on it, at 15.23:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #24233B |
| RGB | rgb(36, 35, 59) |
| HSL | hsl(242, 26%, 18%) |
| OKLCH | oklch(26.9% 0.044 284.9) |
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 #24233B | 15.23:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #24233B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #24233B text on white | 15.23:1 | AAA | Lc 102.1 | Preferred for body text |
| #24233B 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BCBDE2
oklch(81% 0.052 284)
-
Step 400
400
#9B9AD3
oklch(70.8% 0.083 284.9)
-
Step 500
500
#8380C8
oklch(63.2% 0.107 284.8)
-
Step 600
600
#6D68B4
oklch(55.6% 0.116 285)
-
Step 700
700
#5B569B
oklch(49% 0.108 285)
-
Step 800
800
#4A477E
oklch(42.7% 0.09 284.4)
-
Step 900
900
#3E3C65
oklch(37.8% 0.069 284.8)
-
Step 950
950 (this color)
#24233B
oklch(26.9% 0.044 284.9)
#24233B 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) | #1C263C | 0.015 |
| Deuteranopia (no green cones) | #1B253A | 0.016 |
| Tritanopia (no blue cones) | #1E272C | 0.037 |
| Achromatopsia (no color) | #252525 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24233B
#24233B
oklch(26.9% 0.044 284.9)
- #2A270B
#2A270B
oklch(26.9% 0.044 103.2)
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 #24233B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.017
- Dark #1B2431 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.036
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.068
- Marine #042E60 ΔE 0.074
Use #24233B 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.