#2A497B
Closest named color: Light Navy (#155084). oklch(40.8% 0.092 259.5), rgb(42, 73, 123).
Aa
White text reads best on this color (8.98:1).
About this color
#2A497B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #2A497B |
| RGB | rgb(42, 73, 123) |
| HSL | hsl(217, 49%, 32%) |
| OKLCH | oklch(40.8% 0.092 259.5) |
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 #2A497B | 8.98:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #2A497B | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #2A497B text on white | 8.98:1 | AAA | Lc 90.4 | Preferred for body text |
| #2A497B text on black | 2.33:1 | Fails | Lc -11.9 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300
#ACC2E4
oklch(80.9% 0.054 259)
-
Step 400
400
#81A2D7
oklch(70.8% 0.086 259.7)
-
Step 500
500
#618ACC
oklch(63.2% 0.11 259.6)
-
Step 600
600
#4773B9
oklch(55.7% 0.12 259.3)
-
Step 700
700
#39609F
oklch(49.2% 0.111 259.6)
-
Step 800
800 (this color)
#2A497B
oklch(40.8% 0.092 259.5)
-
Step 900
900
#2A4267
oklch(37.8% 0.07 258.8)
-
Step 950
950
#19273D
oklch(27.2% 0.046 259.2)
#2A497B 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) | #334D7D | 0.017 |
| Deuteranopia (no green cones) | #27467A | 0.010 |
| Tritanopia (no blue cones) | #00545C | 0.076 |
| Achromatopsia (no color) | #494949 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A497B
#2A497B
oklch(40.8% 0.092 259.5)
- #624300
#624300
oklch(40.7% 0.085 78.8)
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 #2A497B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Twilight Blue #0A437A ΔE 0.033
- Cobalt #1E488F ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.036
- Dusk Blue #26538D ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.059
Use #2A497B 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.