#2659A5
Closest named color: Denim Blue (#3B5B92). oklch(47.2% 0.134 258.5), rgb(38, 89, 165).
Aa
White text reads best on this color (6.87:1).
About this color
#2659A5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.134 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.037 away. White text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #2659A5 |
| RGB | rgb(38, 89, 165) |
| HSL | hsl(216, 63%, 40%) |
| OKLCH | oklch(47.2% 0.134 258.5) |
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 #2659A5 | 6.87:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #2659A5 | 3.05:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #2659A5 text on white | 6.87:1 | AA | Lc 83.4 | Fine for body text |
| #2659A5 text on black | 3.05:1 | AA large text | Lc -18.6 | 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 700.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E1
oklch(70.7% 0.104 258.3)
-
Step 500
500
#5589D9
oklch(63% 0.134 258.7)
-
Step 600
600
#3972C6
oklch(55.7% 0.144 258.2)
-
Step 700
700 (this color)
#2659A5
oklch(47.2% 0.134 258.5)
-
Step 800
800
#254E8B
oklch(42.8% 0.111 258.3)
-
Step 900
900
#23416F
oklch(37.7% 0.087 258.7)
-
Step 950
950
#152641
oklch(26.9% 0.056 259.3)
#2659A5 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) | #3160A8 | 0.023 |
| Deuteranopia (no green cones) | #1555A3 | 0.018 |
| Tritanopia (no blue cones) | #006B77 | 0.104 |
| Achromatopsia (no color) | #5A5A5A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2659A5
#2659A5
oklch(47.2% 0.134 258.5)
- #795300
#795300
oklch(47.2% 0.098 78.1)
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 #2659A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.037
- Dusk Blue #26538D ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.049
- Mid Blue #276AB3 ΔE 0.050
- Peacock Blue #016795 ΔE 0.053
- Cobalt #1E488F ΔE 0.058
- Denim #3B638C ΔE 0.059
Use #2659A5 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.