#2D4D79
Closest named color: Light Navy (#155084). oklch(41.8% 0.083 256.7), rgb(45, 77, 121).
Aa
White text reads best on this color (8.57:1).
About this color
#2D4D79 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.083 and its hue 257°. 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 8.57:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #2D4D79 |
| RGB | rgb(45, 77, 121) |
| HSL | hsl(215, 46%, 33%) |
| OKLCH | oklch(41.8% 0.083 256.7) |
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 #2D4D79 | 8.57:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #2D4D79 | 2.44:1 | Fails | Lc 14.7 | Not readable |
| #2D4D79 text on white | 8.57:1 | AAA | Lc 89.3 | Fine for body text |
| #2D4D79 text on black | 2.44:1 | Fails | Lc -12.9 | 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
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC2E0
oklch(80.8% 0.048 257.3)
-
Step 400
400
#81A3D1
oklch(70.7% 0.078 256.1)
-
Step 500
500
#618BC5
oklch(63% 0.1 256.6)
-
Step 600
600
#4874B2
oklch(55.6% 0.109 257.1)
-
Step 700
700
#396199
oklch(49% 0.101 257.1)
-
Step 800
800 (this color)
#2D4D79
oklch(41.8% 0.083 256.7)
-
Step 900
900
#2A4264
oklch(37.6% 0.066 257.2)
-
Step 950
950
#19273A
oklch(27% 0.041 256.3)
#2D4D79 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) | #3A507B | 0.019 |
| Deuteranopia (no green cones) | #304978 | 0.012 |
| Tritanopia (no blue cones) | #00575D | 0.071 |
| Achromatopsia (no color) | #4C4C4C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4D79
#2D4D79
oklch(41.8% 0.083 256.7)
- #664508
#664508
oklch(41.7% 0.084 76)
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 #2D4D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.031
- Dusk Blue #26538D ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.042
- Cobalt #1E488F ΔE 0.044
- Twilight Blue #0A437A ΔE 0.045
- YInMn Blue #415A77 ΔE 0.050
- Dusk #4E5481 ΔE 0.052
Use #2D4D79 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.