#25569C
Closest named color: Dusk Blue (#26538D). oklch(45.8% 0.126 257.8), rgb(37, 86, 156).
Aa
White text reads best on this color (7.26:1).
About this color
#25569C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.126 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.025 away. White text reads best on it, at 7.26:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.88:1 |
| White text | 7.26:1 |
Values
| HEX | #25569C |
| RGB | rgb(37, 86, 156) |
| HSL | hsl(215, 62%, 38%) |
| OKLCH | oklch(45.8% 0.126 257.8) |
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 #25569C | 7.26:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #25569C | 2.88:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #25569C text on white | 7.26:1 | AAA | Lc 84.9 | Fine for body text |
| #25569C text on black | 2.88:1 | Fails | Lc -17.1 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400
#71A2E9
oklch(70.7% 0.117 257.6)
-
Step 500
500
#4B89E3
oklch(63.2% 0.15 257.8)
-
Step 600
600
#2C71D1
oklch(55.7% 0.163 257.7)
-
Step 700
700
#1F5EB5
oklch(49.2% 0.152 257.8)
-
Step 800
800 (this color)
#25569C
oklch(45.8% 0.126 257.8)
-
Step 900
900
#1D4174
oklch(37.7% 0.097 257.5)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#25569C 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) | #335D9F | 0.026 |
| Deuteranopia (no green cones) | #1B529B | 0.015 |
| Tritanopia (no blue cones) | #006671 | 0.097 |
| Achromatopsia (no color) | #575757 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25569C
#25569C
oklch(45.8% 0.126 257.8)
- #744F00
#744F00
oklch(45.7% 0.095 77.7)
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 #25569C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.038
- Light Navy #155084 ΔE 0.044
- Cobalt #1E488F ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Twilight #4E518B ΔE 0.052
Use #25569C 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.