#265399
Closest named color: Dusk Blue (#26538D). oklch(44.9% 0.125 259.1), rgb(38, 83, 153).
Aa
White text reads best on this color (7.55:1).
About this color
#265399 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.125 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #265399 |
| RGB | rgb(38, 83, 153) |
| HSL | hsl(217, 60%, 37%) |
| OKLCH | oklch(44.9% 0.125 259.1) |
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 #265399 | 7.55:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #265399 | 2.77:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #265399 text on white | 7.55:1 | AAA | Lc 85.9 | Fine for body text |
| #265399 text on black | 2.77:1 | Fails | Lc -16.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A5C2F0
oklch(80.9% 0.073 259.5)
-
Step 400
400
#74A1E9
oklch(70.6% 0.117 259.5)
-
Step 500
500
#4F88E2
oklch(63.1% 0.149 259.2)
-
Step 600
600
#3270D0
oklch(55.6% 0.162 259.1)
-
Step 700
700
#245DB4
oklch(49.1% 0.151 259)
-
Step 800
800 (this color)
#265399
oklch(44.9% 0.125 259.1)
-
Step 900
900
#1F4074
oklch(37.6% 0.097 259.2)
-
Step 950
950
#132644
oklch(27% 0.061 259.2)
#265399 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) | #2F5A9C | 0.023 |
| Deuteranopia (no green cones) | #184F98 | 0.017 |
| Tritanopia (no blue cones) | #00636E | 0.097 |
| Achromatopsia (no color) | #545454 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #265399
#265399
oklch(44.9% 0.125 259.1)
- #704E00
#704E00
oklch(44.9% 0.093 79.7)
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 #265399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Cobalt #1E488F ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Light Navy #155084 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.045
- Twilight #4E518B ΔE 0.051
- Dusky Blue #475F94 ΔE 0.055
Use #265399 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.