#253063
Closest named color: Prussian Blue (#1D3557). oklch(32.9% 0.091 271.5), rgb(37, 48, 99).
Aa
White text reads best on this color (12.48:1).
About this color
#253063 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.091 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.030 away. White text reads best on it, at 12.48:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #253063 |
| RGB | rgb(37, 48, 99) |
| HSL | hsl(229, 46%, 27%) |
| OKLCH | oklch(32.9% 0.091 271.5) |
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 #253063 | 12.48:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #253063 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #253063 text on white | 12.48:1 | AAA | Lc 98.2 | Preferred for body text |
| #253063 text on black | 1.68:1 | 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 900.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400
#889CE5
oklch(70.6% 0.11 271.7)
-
Step 500
500
#6C82DD
oklch(63.1% 0.139 271.7)
-
Step 600
600
#556ACB
oklch(55.7% 0.151 271.5)
-
Step 700
700
#4558AF
oklch(49.1% 0.14 271.2)
-
Step 800
800
#39488E
oklch(42.7% 0.117 271.6)
-
Step 900
900 (this color)
#253063
oklch(32.9% 0.091 271.5)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#253063 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) | #173765 | 0.024 |
| Deuteranopia (no green cones) | #0C3162 | 0.026 |
| Tritanopia (no blue cones) | #003C44 | 0.081 |
| Achromatopsia (no color) | #343434 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253063
#253063
oklch(32.9% 0.091 271.5)
- #423300
#423300
oklch(32.8% 0.067 90.6)
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 #253063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.030
- Marine #042E60 ΔE 0.035
- Marine Blue #01386A ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Gunmetal #293241 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.064
- Midnight Green #073B4C ΔE 0.065
Use #253063 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.