#2B497E
Closest named color: Light Navy (#155084). oklch(41% 0.096 261), rgb(43, 73, 126).
Aa
White text reads best on this color (8.90:1).
About this color
#2B497E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.025 away. White text reads best on it, at 8.90:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #2B497E |
| RGB | rgb(43, 73, 126) |
| HSL | hsl(218, 49%, 33%) |
| OKLCH | oklch(41% 0.096 261) |
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 #2B497E | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #2B497E | 2.35:1 | Fails | Lc 13.8 | Not readable |
| #2B497E text on white | 8.90:1 | AAA | Lc 90.2 | Preferred for body text |
| #2B497E text on black | 2.35:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ACC2E6
oklch(81% 0.056 260.2)
-
Step 400
400
#81A1D9
oklch(70.7% 0.09 261.3)
-
Step 500
500
#6189CF
oklch(63.1% 0.115 261)
-
Step 600
600
#4872BC
oklch(55.7% 0.125 261)
-
Step 700
700
#395FA2
oklch(49.1% 0.116 260.9)
-
Step 800
800 (this color)
#2B497E
oklch(41% 0.096 261)
-
Step 900
900
#2A4169
oklch(37.7% 0.075 260.9)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#2B497E 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) | #314E80 | 0.017 |
| Deuteranopia (no green cones) | #25467D | 0.012 |
| Tritanopia (no blue cones) | #00555D | 0.080 |
| Achromatopsia (no color) | #4A4A4A | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B497E
#2B497E
oklch(41% 0.096 261)
- #624500
#624500
oklch(41.2% 0.085 81.2)
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 #2B497E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.025
- Cobalt #1E488F ΔE 0.031
- Dusk Blue #26538D ΔE 0.035
- Twilight Blue #0A437A ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.056
- Twilight #4E518B ΔE 0.059
Use #2B497E 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.