#25344F
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.052 261.7), rgb(37, 52, 79).
Aa
White text reads best on this color (12.47:1).
About this color
#25344F is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.052 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.016 away. White text reads best on it, at 12.47:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #25344F |
| RGB | rgb(37, 52, 79) |
| HSL | hsl(219, 36%, 23%) |
| OKLCH | oklch(32.5% 0.052 261.7) |
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 #25344F | 12.47:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #25344F | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #25344F text on white | 12.47:1 | AAA | Lc 98.3 | Preferred for body text |
| #25344F 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400
#8BA1C8
oklch(70.6% 0.063 261.8)
-
Step 500
500
#6E8ABA
oklch(63.1% 0.08 260.9)
-
Step 600
600
#5773A7
oklch(55.6% 0.088 262.2)
-
Step 700
700
#47608F
oklch(49% 0.082 262.4)
-
Step 800
800
#3A4F74
oklch(42.7% 0.067 261.3)
-
Step 900
900 (this color)
#25344F
oklch(32.5% 0.052 261.7)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#25344F 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) | #2A3650 | 0.010 |
| Deuteranopia (no green cones) | #25324E | 0.006 |
| Tritanopia (no blue cones) | #133A3E | 0.047 |
| Achromatopsia (no color) | #343434 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25344F
#25344F
oklch(32.5% 0.052 261.7)
- #423111
#423111
oklch(32.5% 0.053 80.8)
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 #25344F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.016
- Gunmetal #293241 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.028
- Midnight Green #073B4C ΔE 0.035
- Onyx #343A40 ΔE 0.044
- Marine #042E60 ΔE 0.051
- Marine Blue #01386A ΔE 0.053
Use #25344F 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.