#25204C
Closest named color: Oxford Blue (#1B263B). oklch(27.5% 0.078 285.2), rgb(37, 32, 76).
Aa
White text reads best on this color (15.11:1).
About this color
#25204C is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.078 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.043 away. White text reads best on it, at 15.11:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.11:1 |
Values
| HEX | #25204C |
| RGB | rgb(37, 32, 76) |
| HSL | hsl(247, 41%, 21%) |
| OKLCH | oklch(27.5% 0.078 285.2) |
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 #25204C | 15.11:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #25204C | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #25204C text on white | 15.11:1 | AAA | Lc 101.9 | Preferred for body text |
| #25204C text on black | 1.38:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D5D5FB
oklch(88.5% 0.052 285.3)
-
Step 300
300
#BAB9FB
oklch(81% 0.093 284.8)
-
Step 400
400
#9891F9
oklch(70.7% 0.149 285)
-
Step 500
500
#8272F5
oklch(63.2% 0.189 285.2)
-
Step 600
600
#6D55E4
oklch(55.5% 0.207 285.1)
-
Step 700
700
#5C44C6
oklch(49% 0.192 285.3)
-
Step 800
800
#4B39A0
oklch(42.6% 0.159 285.5)
-
Step 900
900
#3E337F
oklch(37.7% 0.123 285.5)
-
Step 950
950 (this color)
#25204C
oklch(27.5% 0.078 285.2)
#25204C 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) | #0B274E | 0.038 |
| Deuteranopia (no green cones) | #09254B | 0.038 |
| Tritanopia (no blue cones) | #182A32 | 0.068 |
| Achromatopsia (no color) | #262626 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25204C
#25204C
oklch(27.5% 0.078 285.2)
- #2C2900
#2C2900
oklch(27.5% 0.059 105.4)
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 #25204C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.050
- Dark Indigo #1F0954 ΔE 0.057
- Dark #1B2431 ΔE 0.058
- Marine #042E60 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.064
- Gunmetal #293241 ΔE 0.066
- Dark Purple #35063E ΔE 0.068
Use #25204C 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.