#253365
Closest named color: Prussian Blue (#1D3557). oklch(33.7% 0.089 269.4), rgb(37, 51, 101).
Aa
White text reads best on this color (12.06:1).
About this color
#253365 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.089 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.029 away. White text reads best on it, at 12.06:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #253365 |
| RGB | rgb(37, 51, 101) |
| HSL | hsl(227, 46%, 27%) |
| OKLCH | oklch(33.7% 0.089 269.4) |
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 #253365 | 12.06:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #253365 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #253365 text on white | 12.06:1 | AAA | Lc 97.4 | Preferred for body text |
| #253365 text on black | 1.74:1 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F3
oklch(88.6% 0.037 268.9)
-
Step 300
300
#AFBFED
oklch(80.8% 0.068 269.9)
-
Step 400
400
#869DE4
oklch(70.7% 0.108 269.8)
-
Step 500
500
#6883DC
oklch(63% 0.138 269.4)
-
Step 600
600
#516BCA
oklch(55.6% 0.15 269.5)
-
Step 700
700
#4259AE
oklch(49.1% 0.138 269.4)
-
Step 800
800
#36498D
oklch(42.7% 0.115 269.3)
-
Step 900
900 (this color)
#253365
oklch(33.7% 0.089 269.4)
-
Step 950
950
#1B2442
oklch(26.9% 0.057 269.6)
#253365 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) | #1B3967 | 0.019 |
| Deuteranopia (no green cones) | #113364 | 0.022 |
| Tritanopia (no blue cones) | #003E47 | 0.077 |
| Achromatopsia (no color) | #363636 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253365
#253365
oklch(33.7% 0.089 269.4)
- #453500
#453500
oklch(33.7% 0.069 90)
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 #253365, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.029
- Marine Blue #01386A ΔE 0.031
- Marine #042E60 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.055
- Twilight Blue #0A437A ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.062
- Midnight Green #073B4C ΔE 0.062
- Gunmetal #293241 ΔE 0.064
Use #253365 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.