#2A547E
Closest named color: Light Navy Blue (#2E5A88). oklch(43.6% 0.084 250.3), rgb(42, 84, 126).
Aa
White text reads best on this color (7.87:1).
About this color
#2A547E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.084 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.023 away. White text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #2A547E |
| RGB | rgb(42, 84, 126) |
| HSL | hsl(210, 50%, 33%) |
| OKLCH | oklch(43.6% 0.084 250.3) |
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 #2A547E | 7.87:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #2A547E | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #2A547E text on white | 7.87:1 | AAA | Lc 87.1 | Fine for body text |
| #2A547E text on black | 2.66:1 | Fails | Lc -15.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A9C4E0
oklch(80.9% 0.049 249.4)
-
Step 400
400
#7BA5D0
oklch(70.8% 0.078 249.6)
-
Step 500
500
#588DC4
oklch(63% 0.101 250.5)
-
Step 600
600
#3D77B1
oklch(55.7% 0.109 250.4)
-
Step 700
700
#2E6498
oklch(49.2% 0.101 249.9)
-
Step 800
800 (this color)
#2A547E
oklch(43.6% 0.084 250.3)
-
Step 900
900
#254463
oklch(37.8% 0.065 249.9)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#2A547E 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) | #425680 | 0.029 |
| Deuteranopia (no green cones) | #364E7D | 0.020 |
| Tritanopia (no blue cones) | #005E63 | 0.067 |
| Achromatopsia (no color) | #525252 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A547E
#2A547E
oklch(43.6% 0.084 250.3)
- #6F4813
#6F4813
oklch(43.6% 0.085 69.6)
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 #2A547E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.023
- Light Navy #155084 ΔE 0.024
- Dusk Blue #26538D ΔE 0.026
- YInMn Blue #415A77 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.043
- Dusk #4E5481 ΔE 0.045
- Cobalt #1E488F ΔE 0.051
Use #2A547E 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.