#2E4C79
Closest named color: Light Navy (#155084). oklch(41.6% 0.084 258.3), rgb(46, 76, 121).
Aa
White text reads best on this color (8.65:1).
About this color
#2E4C79 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.084 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #2E4C79 |
| RGB | rgb(46, 76, 121) |
| HSL | hsl(216, 45%, 33%) |
| OKLCH | oklch(41.6% 0.084 258.3) |
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 #2E4C79 | 8.65:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #2E4C79 | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #2E4C79 text on white | 8.65:1 | AAA | Lc 89.5 | Fine for body text |
| #2E4C79 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#AEC2E1
oklch(80.9% 0.049 259.1)
-
Step 400
400
#83A2D2
oklch(70.7% 0.079 259)
-
Step 500
500
#638BC6
oklch(63.2% 0.1 258)
-
Step 600
600
#4A74B2
oklch(55.7% 0.108 258)
-
Step 700
700
#3B6199
oklch(49.1% 0.1 258)
-
Step 800
800 (this color)
#2E4C79
oklch(41.6% 0.084 258.3)
-
Step 900
900
#2B4264
oklch(37.7% 0.065 258)
-
Step 950
950
#1A273B
oklch(27.1% 0.042 258.8)
#2E4C79 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) | #394F7B | 0.017 |
| Deuteranopia (no green cones) | #2F4878 | 0.012 |
| Tritanopia (no blue cones) | #00565C | 0.073 |
| Achromatopsia (no color) | #4B4B4B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4C79
#2E4C79
oklch(41.6% 0.084 258.3)
- #644505
#644505
oklch(41.5% 0.084 78.4)
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 #2E4C79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.034
- Dusk Blue #26538D ΔE 0.035
- Cobalt #1E488F ΔE 0.043
- Twilight Blue #0A437A ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.052
- YInMn Blue #415A77 ΔE 0.052
Use #2E4C79 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.