#2D4F7F
Closest named color: Light Navy (#155084). oklch(42.6% 0.09 257.2), rgb(45, 79, 127).
Aa
White text reads best on this color (8.27:1).
About this color
#2D4F7F is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.020 away. White text reads best on it, at 8.27:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #2D4F7F |
| RGB | rgb(45, 79, 127) |
| HSL | hsl(215, 48%, 34%) |
| OKLCH | oklch(42.6% 0.09 257.2) |
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 #2D4F7F | 8.27:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #2D4F7F | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #2D4F7F text on white | 8.27:1 | AAA | Lc 88.4 | Fine for body text |
| #2D4F7F text on black | 2.53:1 | Fails | Lc -13.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E3
oklch(80.8% 0.053 258.4)
-
Step 400
400
#7FA3D5
oklch(70.8% 0.084 256.7)
-
Step 500
500
#5F8BCA
oklch(63.2% 0.107 257.4)
-
Step 600
600
#4574B6
oklch(55.7% 0.115 257.1)
-
Step 700
700
#36619D
oklch(49.1% 0.108 257.1)
-
Step 800
800 (this color)
#2D4F7F
oklch(42.6% 0.09 257.2)
-
Step 900
900
#294266
oklch(37.7% 0.069 257.5)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#2D4F7F 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) | #3A5381 | 0.021 |
| Deuteranopia (no green cones) | #2F4B7E | 0.012 |
| Tritanopia (no blue cones) | #005A61 | 0.074 |
| Achromatopsia (no color) | #4E4E4E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4F7F
#2D4F7F
oklch(42.6% 0.09 257.2)
- #694700
#694700
oklch(42.5% 0.089 77.5)
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 #2D4F7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.020
- Dusk Blue #26538D ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.034
- Cobalt #1E488F ΔE 0.040
- Dusk #4E5481 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.048
Use #2D4F7F 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.