#2D4B83
Closest named color: Light Navy (#155084). oklch(41.9% 0.1 261.8), rgb(45, 75, 131).
Aa
White text reads best on this color (8.58:1).
About this color
#2D4B83 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 262°. 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 8.58:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #2D4B83 |
| RGB | rgb(45, 75, 131) |
| HSL | hsl(219, 49%, 35%) |
| OKLCH | oklch(41.9% 0.1 261.8) |
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 #2D4B83 | 8.58:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #2D4B83 | 2.44:1 | Fails | Lc 14.7 | Not readable |
| #2D4B83 text on white | 8.58:1 | AAA | Lc 89.3 | Fine for body text |
| #2D4B83 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC1E7
oklch(80.8% 0.059 262.3)
-
Step 400
400
#80A1DB
oklch(70.7% 0.093 261.4)
-
Step 500
500
#6088D2
oklch(63% 0.121 261.9)
-
Step 600
600
#4771BF
oklch(55.6% 0.13 261.7)
-
Step 700
700
#395EA5
oklch(49.1% 0.122 262.1)
-
Step 800
800 (this color)
#2D4B83
oklch(41.9% 0.1 261.8)
-
Step 900
900
#2A416B
oklch(37.8% 0.078 261.6)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#2D4B83 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) | #325085 | 0.017 |
| Deuteranopia (no green cones) | #254882 | 0.013 |
| Tritanopia (no blue cones) | #005860 | 0.085 |
| Achromatopsia (no color) | #4C4C4C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4B83
#2D4B83
oklch(41.9% 0.1 261.8)
- #644700
#644700
oklch(41.9% 0.086 81.8)
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 #2D4B83, 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 0.026
- Cobalt #1E488F ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Twilight #4E518B ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.053
Use #2D4B83 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.