#252659
Closest named color: Marine (#042E60). oklch(29.9% 0.09 278.6), rgb(37, 38, 89).
Aa
White text reads best on this color (13.99:1).
About this color
#252659 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.090 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.039 away. White text reads best on it, at 13.99:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.50:1 |
| White text | 13.99:1 |
Values
| HEX | #252659 |
| RGB | rgb(37, 38, 89) |
| HSL | hsl(239, 41%, 25%) |
| OKLCH | oklch(29.9% 0.09 278.6) |
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 #252659 | 13.99:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #252659 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #252659 text on white | 13.99:1 | AAA | Lc 100.5 | Preferred for body text |
| #252659 text on black | 1.50:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E52F8
oklch(55.5% 0.237 278.6)
-
Step 700
700
#4F41D8
oklch(49.1% 0.22 278.7)
-
Step 800
800
#4037AE
oklch(42.6% 0.182 278.8)
-
Step 900
900
#35328A
oklch(37.7% 0.142 278.6)
-
Step 950
950 (this color)
#252659
oklch(29.9% 0.09 278.6)
#252659 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) | #092E5B | 0.036 |
| Deuteranopia (no green cones) | #022A58 | 0.038 |
| Tritanopia (no blue cones) | #0D323B | 0.079 |
| Achromatopsia (no color) | #2C2C2C | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252659
#252659
oklch(29.9% 0.09 278.6)
- #362D00
#362D00
oklch(29.8% 0.061 97.2)
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 #252659, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.052
- Midnight Blue #191970 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.058
- Marine Blue #01386A ΔE 0.061
- Gunmetal #293241 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.069
Use #252659 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.