#2E5178
Closest named color: Light Navy (#155084). oklch(42.7% 0.077 252.4), rgb(46, 81, 120).
Aa
White text reads best on this color (8.18:1).
About this color
#2E5178 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.077 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.028 away. White text reads best on it, at 8.18:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #2E5178 |
| RGB | rgb(46, 81, 120) |
| HSL | hsl(212, 45%, 33%) |
| OKLCH | oklch(42.7% 0.077 252.4) |
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 #2E5178 | 8.18:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #2E5178 | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #2E5178 text on white | 8.18:1 | AAA | Lc 88.2 | Fine for body text |
| #2E5178 text on black | 2.56:1 | Fails | Lc -14.0 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDBEA
oklch(88.6% 0.025 251.9)
-
Step 300
300
#ACC3DE
oklch(80.9% 0.046 252.5)
-
Step 400
400
#80A4CD
oklch(70.7% 0.072 252.1)
-
Step 500
500
#608DC0
oklch(63.2% 0.092 252.3)
-
Step 600
600
#4676AC
oklch(55.6% 0.1 252.6)
-
Step 700
700
#376394
oklch(49.1% 0.093 252.5)
-
Step 800
800 (this color)
#2E5178
oklch(42.7% 0.077 252.4)
-
Step 900
900
#294361
oklch(37.6% 0.061 252.9)
-
Step 950
950
#192839
oklch(27.2% 0.038 252.3)
#2E5178 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) | #41537A | 0.025 |
| Deuteranopia (no green cones) | #374C77 | 0.017 |
| Tritanopia (no blue cones) | #005A5F | 0.064 |
| Achromatopsia (no color) | #4F4F4F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5178
#2E5178
oklch(42.7% 0.077 252.4)
- #694718
#694718
oklch(42.7% 0.077 71.4)
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 #2E5178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.034
- Dusk Blue #26538D ΔE 0.034
- YInMn Blue #415A77 ΔE 0.039
- Dusk #4E5481 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.052
- Cobalt #1E488F ΔE 0.053
Use #2E5178 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.