#2D4B7F
Closest named color: Light Navy (#155084). oklch(41.6% 0.094 260.7), rgb(45, 75, 127).
Aa
White text reads best on this color (8.66:1).
About this color
#2D4B7F is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.022 away. White text reads best on it, at 8.66:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #2D4B7F |
| RGB | rgb(45, 75, 127) |
| HSL | hsl(218, 48%, 34%) |
| OKLCH | oklch(41.6% 0.094 260.7) |
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 #2D4B7F | 8.66:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #2D4B7F | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #2D4B7F text on white | 8.66:1 | AAA | Lc 89.5 | Fine for body text |
| #2D4B7F text on black | 2.42:1 | Fails | Lc -12.7 | 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
#ADC2E5
oklch(81% 0.055 260.6)
-
Step 400
400
#81A1D8
oklch(70.6% 0.089 261)
-
Step 500
500
#6189CD
oklch(63% 0.112 260.6)
-
Step 600
600
#4872BA
oklch(55.6% 0.122 260.5)
-
Step 700
700
#395FA1
oklch(49.1% 0.115 260.7)
-
Step 800
800 (this color)
#2D4B7F
oklch(41.6% 0.094 260.7)
-
Step 900
900
#2A4168
oklch(37.6% 0.073 260.4)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2D4B7F 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) | #345081 | 0.018 |
| Deuteranopia (no green cones) | #29487E | 0.011 |
| Tritanopia (no blue cones) | #00575F | 0.079 |
| Achromatopsia (no color) | #4B4B4B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4B7F
#2D4B7F
oklch(41.6% 0.094 260.7)
- #644600
#644600
oklch(41.6% 0.086 80.6)
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 #2D4B7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.022
- Dusk Blue #26538D ΔE 0.029
- Cobalt #1E488F ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.054
Use #2D4B7F 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.