#25496E
Closest named color: Dark Grey Blue (#29465B). oklch(39.7% 0.076 250.8), rgb(37, 73, 110).
Aa
White text reads best on this color (9.30:1).
About this color
#25496E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 9.30:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #25496E |
| RGB | rgb(37, 73, 110) |
| HSL | hsl(210, 50%, 29%) |
| OKLCH | oklch(39.7% 0.076 250.8) |
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 #25496E | 9.30:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #25496E | 2.25:1 | Fails | Lc 12.7 | Not readable |
| #25496E text on white | 9.30:1 | AAA | Lc 91.3 | Preferred for body text |
| #25496E text on black | 2.25:1 | Fails | Lc -11.1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A6C4E5
oklch(80.9% 0.057 251)
-
Step 400
400
#75A5D8
oklch(70.8% 0.091 250.7)
-
Step 500
500
#508DCD
oklch(63% 0.116 251.2)
-
Step 600
600
#3276BA
oklch(55.6% 0.126 251.2)
-
Step 700
700
#2463A0
oklch(49.1% 0.117 250.9)
-
Step 800
800
#1F5182
oklch(42.7% 0.097 250.8)
-
Step 900
900 (this color)
#25496E
oklch(39.7% 0.076 250.8)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#25496E 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) | #394B70 | 0.026 |
| Deuteranopia (no green cones) | #2F446D | 0.017 |
| Tritanopia (no blue cones) | #005256 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25496E
#25496E
oklch(39.7% 0.076 250.8)
- #603F10
#603F10
oklch(39.7% 0.076 71.1)
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 #25496E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Twilight Blue #0A437A ΔE 0.037
- Light Navy #155084 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Dusk Blue #26538D ΔE 0.055
- Cobalt #1E488F ΔE 0.056
- Deep Teal #00555A ΔE 0.062
Use #25496E 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.