#25445F
Closest named color: Dark Grey Blue (#29465B). oklch(37.6% 0.059 246.5), rgb(37, 68, 95).
Aa
White text reads best on this color (10.14:1).
About this color
#25445F is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.059 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.012 away. White text reads best on it, at 10.14:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.14:1 |
Values
| HEX | #25445F |
| RGB | rgb(37, 68, 95) |
| HSL | hsl(208, 44%, 26%) |
| OKLCH | oklch(37.6% 0.059 246.5) |
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 #25445F | 10.14:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #25445F | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #25445F text on white | 10.14:1 | AAA | Lc 93.4 | Preferred for body text |
| #25445F text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#AAC4DC
oklch(80.9% 0.044 246.2)
-
Step 400
400
#7CA5CB
oklch(70.6% 0.072 246.9)
-
Step 500
500
#598FBE
oklch(63.2% 0.092 246.2)
-
Step 600
600
#3E78AA
oklch(55.6% 0.099 246.8)
-
Step 700
700
#2F6592
oklch(49.1% 0.092 246.3)
-
Step 800
800
#285276
oklch(42.6% 0.076 246.7)
-
Step 900
900 (this color)
#25445F
oklch(37.6% 0.059 246.5)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#25445F 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) | #384560 | 0.025 |
| Deuteranopia (no green cones) | #313F5E | 0.020 |
| Tritanopia (no blue cones) | #004A4D | 0.049 |
| Achromatopsia (no color) | #414141 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25445F
#25445F
oklch(37.6% 0.059 246.5)
- #563B1C
#563B1C
oklch(37.6% 0.059 68.1)
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 #25445F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.012
- Charcoal #264653 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.040
- Twilight Blue #0A437A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.050
- Midnight Green #073B4C ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.054
Use #25445F 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.